89290705977 has 24 divisors (see below), whose sum is σ = 144132232608. Its totient is φ = 52795684800.

The previous prime is 89290705957. The next prime is 89290705981. The reversal of 89290705977 is 77950709298.

It is not a de Polignac number, because 89290705977 - 2¹⁶ = 89290640441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89290705957) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10995043 + ... + 11003160.

It is an arithmetic number, because the mean of its divisors is an integer number (6005509692).

Almost surely, 2^89290705977 is an apocalyptic number.

It is an amenable number.

89290705977 is a deficient number, since it is larger than the sum of its proper divisors (54841526631).

89290705977 is a wasteful number, since it uses less digits than its factorization.

89290705977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21998261 (or 21998258 counting only the distinct ones).

The product of its (nonzero) digits is 20003760, while the sum is 63.

The spelling of 89290705977 in words is "eighty-nine billion, two hundred ninety million, seven hundred five thousand, nine hundred seventy-seven".