88690699620 has 72 divisors (see below), whose sum is σ = 269118016440. Its totient is φ = 23642979840.

The previous prime is 88690699619. The next prime is 88690699633. The reversal of 88690699620 is 2699609688.

It can be written as a sum of positive squares in 4 ways, for example, as 16010853156 + 72679846464 = 126534^2 + 269592^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 470496 + ... + 631464.

Almost surely, 2^88690699620 is an apocalyptic number.

It is an amenable number.

88690699620 is an abundant number, since it is smaller than the sum of its proper divisors (180427316820).

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

88690699620 is a wasteful number, since it uses less digits than its factorization.

88690699620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164045 (or 164040 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 63.

The spelling of 88690699620 in words is "eighty-eight billion, six hundred ninety million, six hundred ninety-nine thousand, six hundred twenty".