89777136123 has 12 divisors (see below), whose sum is σ = 129816494808. Its totient is φ = 59787542880.

The previous prime is 89777136107. The next prime is 89777136133. The reversal of 89777136123 is 32163177798.

89777136123 is a `hidden beast` number, since 8 + 9 + 7 + 7 + 7 + 13 + 612 + 3 = 666.

It is not a de Polignac number, because 89777136123 - 2⁴ = 89777136107 is a prime.

It is a super-2 number, since 2×89777136123² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 89777136123.

It is not an unprimeable number, because it can be changed into a prime (89777136133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5314533 + ... + 5331398.

It is an arithmetic number, because the mean of its divisors is an integer number (10818041234).

Almost surely, 2^89777136123 is an apocalyptic number.

89777136123 is a deficient number, since it is larger than the sum of its proper divisors (40039358685).

89777136123 is a wasteful number, since it uses less digits than its factorization.

89777136123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10646874 (or 10646871 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 54.

The spelling of 89777136123 in words is "eighty-nine billion, seven hundred seventy-seven million, one hundred thirty-six thousand, one hundred twenty-three".