89892977247 has 48 divisors (see below), whose sum is σ = 138118451328. Its totient is φ = 56143549440.

The previous prime is 89892977219. The next prime is 89892977287. The reversal of 89892977247 is 74277929898.

89892977247 is a `hidden beast` number, since 8 + 98 + 9 + 297 + 7 + 247 = 666.

It is not a de Polignac number, because 89892977247 - 2¹⁶ = 89892911711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89892977287) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37721418 + ... + 37723800.

It is an arithmetic number, because the mean of its divisors is an integer number (2877467736).

Almost surely, 2^89892977247 is an apocalyptic number.

89892977247 is a deficient number, since it is larger than the sum of its proper divisors (48225474081).

89892977247 is a wasteful number, since it uses less digits than its factorization.

89892977247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3440 (or 3437 counting only the distinct ones).

The product of its digits is 256048128, while the sum is 72.

The spelling of 89892977247 in words is "eighty-nine billion, eight hundred ninety-two million, nine hundred seventy-seven thousand, two hundred forty-seven".