89992902769 has 32 divisors (see below), whose sum is σ = 117243924480. Its totient is φ = 66979915200.

The previous prime is 89992902763. The next prime is 89992902781. The reversal of 89992902769 is 96720929998.

It is not a de Polignac number, because 89992902769 - 2³ = 89992902761 is a prime.

It is a super-2 number, since 2×89992902769² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89992902698 and 89992902707.

It is not an unprimeable number, because it can be changed into a prime (89992902761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1219804 + ... + 1291474.

It is an arithmetic number, because the mean of its divisors is an integer number (3663872640).

Almost surely, 2^89992902769 is an apocalyptic number.

It is an amenable number.

89992902769 is a deficient number, since it is larger than the sum of its proper divisors (27251021711).

89992902769 is a wasteful number, since it uses less digits than its factorization.

89992902769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72421.

The product of its (nonzero) digits is 79361856, while the sum is 70.

The spelling of 89992902769 in words is "eighty-nine billion, nine hundred ninety-two million, nine hundred two thousand, seven hundred sixty-nine".