87975670926 has 64 divisors (see below), whose sum is σ = 206924336640. Its totient is φ = 24583309440.

The previous prime is 87975670901. The next prime is 87975670927. The reversal of 87975670926 is 62907657978.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87975670927) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 791260 + ... + 895568.

It is an arithmetic number, because the mean of its divisors is an integer number (3233192760).

Almost surely, 2^87975670926 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87975670926, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103462168320).

87975670926 is an abundant number, since it is smaller than the sum of its proper divisors (118948665714).

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

87975670926 is a wasteful number, since it uses less digits than its factorization.

87975670926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105321.

The product of its (nonzero) digits is 80015040, while the sum is 66.

The spelling of 87975670926 in words is "eighty-seven billion, nine hundred seventy-five million, six hundred seventy thousand, nine hundred twenty-six".