86747264 has 32 divisors (see below), whose sum is σ = 173343900. Its totient is φ = 43241472.

The previous prime is 86747263. The next prime is 86747291. The reversal of 86747264 is 46274768.

It can be written as a sum of positive squares in 2 ways, for example, as 84787264 + 1960000 = 9208^2 + 1400^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×86747264² = 15050175622971392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86747263) 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, 51524 + ... + 53180.

Almost surely, 2^86747264 is an apocalyptic number.

It is an amenable number.

86747264 is a deficient number, since it is larger than the sum of its proper divisors (86596636).

86747264 is a wasteful number, since it uses less digits than its factorization.

86747264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080 (or 2068 counting only the distinct ones).

The product of its digits is 451584, while the sum is 44.

The square root of 86747264 is about 9313.8211277649. The cubic root of 86747264 is about 442.6752711993.

The spelling of 86747264 in words is "eighty-six million, seven hundred forty-seven thousand, two hundred sixty-four".