89986954140 has 36 divisors (see below), whose sum is σ = 272960428104. Its totient is φ = 23996521056.

The previous prime is 89986954133. The next prime is 89986954153. The reversal of 89986954140 is 4145968998.

89986954140 is a `hidden beast` number, since 8 + 9 + 9 + 86 + 9 + 541 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

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, 249963582 + ... + 249963941.

It is an arithmetic number, because the mean of its divisors is an integer number (7582234114).

Almost surely, 2^89986954140 is an apocalyptic number.

It is an amenable number.

89986954140 is an abundant number, since it is smaller than the sum of its proper divisors (182973473964).

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

89986954140 is a wasteful number, since it uses less digits than its factorization.

89986954140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499927538 (or 499927533 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 63.

The spelling of 89986954140 in words is "eighty-nine billion, nine hundred eighty-six million, nine hundred fifty-four thousand, one hundred forty".