89616872 has 16 divisors (see below), whose sum is σ = 168144900. Its totient is φ = 44778240.

The previous prime is 89616871. The next prime is 89616881. The reversal of 89616872 is 27861698.

It can be written as a sum of positive squares in 2 ways, for example, as 84750436 + 4866436 = 9206^2 + 2206^2 .

It is a super-4 number, since 4×89616872⁴ (a number of 33 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (89616871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13472 + ... + 18992.

Almost surely, 2^89616872 is an apocalyptic number.

It is an amenable number.

89616872 is a deficient number, since it is larger than the sum of its proper divisors (78528028).

89616872 is a wasteful number, since it uses less digits than its factorization.

89616872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7556 (or 7552 counting only the distinct ones).

The product of its digits is 290304, while the sum is 47.

The square root of 89616872 is about 9466.6188261702. The cubic root of 89616872 is about 447.5036621529.

The spelling of 89616872 in words is "eighty-nine million, six hundred sixteen thousand, eight hundred seventy-two".