876195948978 has 320 divisors, whose sum is σ = 2436254346240. Its totient is φ = 230704915392.

The previous prime is 876195948973. The next prime is 876195948983. The reversal of 876195948978 is 879849591678.

876195948978 is a `hidden beast` number, since 8 + 7 + 6 + 19 + 59 + 489 + 78 = 666.

It is an interprime number because it is at equal distance from previous prime (876195948973) and next prime (876195948983).

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 876195948897 and 876195948906.

It is not an unprimeable number, because it can be changed into a prime (876195948973) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 193717825 + ... + 193722347.

It is an arithmetic number, because the mean of its divisors is an integer number (7613294832).

Almost surely, 2^876195948978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 876195948978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1218127173120).

876195948978 is an abundant number, since it is smaller than the sum of its proper divisors (1560058397262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

876195948978 is an equidigital number, since it uses as much as digits as its factorization.

876195948978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4615 (or 4591 counting only the distinct ones).

The product of its digits is 2194698240, while the sum is 81.

The spelling of 876195948978 in words is "eight hundred seventy-six billion, one hundred ninety-five million, nine hundred forty-eight thousand, nine hundred seventy-eight".