89391956940 has 192 divisors, whose sum is σ = 326728926720. Its totient is φ = 20003777280.

The previous prime is 89391956939. The next prime is 89391956989. The reversal of 89391956940 is 4965919398.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 501594 + ... + 656033.

It is an arithmetic number, because the mean of its divisors is an integer number (1701713160).

Almost surely, 2^89391956940 is an apocalyptic number.

It is an amenable number.

89391956940 is an abundant number, since it is smaller than the sum of its proper divisors (237336969780).

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

89391956940 is a wasteful number, since it uses less digits than its factorization.

89391956940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157669 (or 1157661 counting only the distinct ones).

The product of its (nonzero) digits is 18895680, while the sum is 63.

The spelling of 89391956940 in words is "eighty-nine billion, three hundred ninety-one million, nine hundred fifty-six thousand, nine hundred forty".