89474122251 has 24 divisors (see below), whose sum is σ = 136067714640. Its totient is φ = 56499508800.

The previous prime is 89474122247. The next prime is 89474122261. The reversal of 89474122251 is 15222147498.

89474122251 is a `hidden beast` number, since 8 + 9 + 4 + 7 + 412 + 225 + 1 = 666.

It is not a de Polignac number, because 89474122251 - 2² = 89474122247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89474122197 and 89474122206.

It is not an unprimeable number, because it can be changed into a prime (89474122201) 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, 936141 + ... + 1027281.

It is an arithmetic number, because the mean of its divisors is an integer number (5669488110).

Almost surely, 2^89474122251 is an apocalyptic number.

89474122251 is a deficient number, since it is larger than the sum of its proper divisors (46593592389).

89474122251 is a wasteful number, since it uses less digits than its factorization.

89474122251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96907 (or 96904 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The spelling of 89474122251 in words is "eighty-nine billion, four hundred seventy-four million, one hundred twenty-two thousand, two hundred fifty-one".