89777472 has 28 divisors (see below), whose sum is σ = 237536736. Its totient is φ = 29925760.

The previous prime is 89777447. The next prime is 89777497. The reversal of 89777472 is 27477798.

It is an interprime number because it is at equal distance from previous prime (89777447) and next prime (89777497).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233604 + ... + 233987.

Almost surely, 2^89777472 is an apocalyptic number.

It is an amenable number.

89777472 is an abundant number, since it is smaller than the sum of its proper divisors (147759264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89777472 is a wasteful number, since it uses less digits than its factorization.

89777472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467606 (or 467596 counting only the distinct ones).

The product of its digits is 1382976, while the sum is 51.

The square root of 89777472 is about 9475.0974665172. The cubic root of 89777472 is about 447.7708224084.

The spelling of 89777472 in words is "eighty-nine million, seven hundred seventy-seven thousand, four hundred seventy-two".