87880396 has 18 divisors (see below), whose sum is σ = 162313620. Its totient is φ = 41626872.

The previous prime is 87880391. The next prime is 87880399. The reversal of 87880396 is 69308878.

It is a happy number.

It is a super-2 number, since 2×87880396² = 15445928002233632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87880391) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28986 + ... + 31873.

Almost surely, 2^87880396 is an apocalyptic number.

It is an amenable number.

87880396 is a deficient number, since it is larger than the sum of its proper divisors (74433224).

87880396 is a wasteful number, since it uses less digits than its factorization.

87880396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60901 (or 60880 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 87880396 is about 9374.4544374593. The cubic root of 87880396 is about 444.5944139362.

The spelling of 87880396 in words is "eighty-seven million, eight hundred eighty thousand, three hundred ninety-six".