1878906235968 has 84 divisors (see below), whose sum is σ = 5487159633228. Its totient is φ = 614485048320.

The previous prime is 1878906235919. The next prime is 1878906235979. The reversal of 1878906235968 is 8695326098781.

1878906235968 is a `hidden beast` number, since 1 + 8 + 7 + 8 + 9 + 0 + 6 + 23 + 596 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 608849362944 + 1270056873024 = 780288^2 + 1126968^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 1878906235896 and 1878906235905.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30742963 + ... + 30804018.

It is an arithmetic number, because the mean of its divisors is an integer number (65323328967).

Almost surely, 2^{1878906235968} is an apocalyptic number.

1878906235968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1878906235968 is an abundant number, since it is smaller than the sum of its proper divisors (3608253397260).

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

1878906235968 is a wasteful number, since it uses less digits than its factorization.

1878906235968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61547052 (or 61547039 counting only the distinct ones).

The product of its (nonzero) digits is 313528320, while the sum is 72.

The spelling of 1878906235968 in words is "one trillion, eight hundred seventy-eight billion, nine hundred six million, two hundred thirty-five thousand, nine hundred sixty-eight".