89691502992 has 160 divisors (see below), whose sum is σ = 295006951680. Its totient is φ = 22839183360.

The previous prime is 89691502991. The next prime is 89691502993. The reversal of 89691502992 is 29920519698.

It is an interprime number because it is at equal distance from previous prime (89691502991) and next prime (89691502993).

It is not an unprimeable number, because it can be changed into a prime (89691502991) 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, 227359 + ... + 480702.

It is an arithmetic number, because the mean of its divisors is an integer number (1843793448).

Almost surely, 2^89691502992 is an apocalyptic number.

It is an amenable number.

89691502992 is an abundant number, since it is smaller than the sum of its proper divisors (205315448688).

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

89691502992 is a wasteful number, since it uses less digits than its factorization.

89691502992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708121 (or 708115 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 60.

The spelling of 89691502992 in words is "eighty-nine billion, six hundred ninety-one million, five hundred two thousand, nine hundred ninety-two".