87260772 has 12 divisors (see below), whose sum is σ = 203608496. Its totient is φ = 29086920.

The previous prime is 87260743. The next prime is 87260773. The reversal of 87260772 is 27706278.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×87260772² = 15228884660071968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87260772.

It is not an unprimeable number, because it can be changed into a prime (87260773) 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, 3635854 + ... + 3635877.

Almost surely, 2^87260772 is an apocalyptic number.

It is an amenable number.

87260772 is an abundant number, since it is smaller than the sum of its proper divisors (116347724).

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

87260772 is a wasteful number, since it uses less digits than its factorization.

87260772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7271738 (or 7271736 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 39.

The square root of 87260772 is about 9341.3474402786. The cubic root of 87260772 is about 443.5470382557.

The spelling of 87260772 in words is "eighty-seven million, two hundred sixty thousand, seven hundred seventy-two".