87796512 has 36 divisors (see below), whose sum is σ = 249672150. Its totient is φ = 29265408.

The previous prime is 87796493. The next prime is 87796519. The reversal of 87796512 is 21569778.

It can be written as a sum of positive squares in only one way, i.e., 59536656 + 28259856 = 7716^2 + 5316^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×87796512² = 15416455038732288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87796519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 152137 + ... + 152712.

Almost surely, 2^87796512 is an apocalyptic number.

It is an amenable number.

87796512 is an abundant number, since it is smaller than the sum of its proper divisors (161875638).

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

87796512 is a wasteful number, since it uses less digits than its factorization.

87796512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304865 (or 304854 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 87796512 is about 9369.9792956015. The cubic root of 87796512 is about 444.4529101350.

The spelling of 87796512 in words is "eighty-seven million, seven hundred ninety-six thousand, five hundred twelve".