87880546 has 16 divisors (see below), whose sum is σ = 142342200. Its totient is φ = 40451328.

The previous prime is 87880543. The next prime is 87880547. The reversal of 87880546 is 64508878.

It can be written as a sum of positive squares in 4 ways, for example, as 67980025 + 19900521 = 8245^2 + 4461^2 .

It is a junction number, because it is equal to n+sod(n) for n = 87880496 and 87880505.

It is not an unprimeable number, because it can be changed into a prime (87880543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5770 + ... + 14458.

Almost surely, 2^87880546 is an apocalyptic number.

87880546 is a deficient number, since it is larger than the sum of its proper divisors (54461654).

87880546 is a wasteful number, since it uses less digits than its factorization.

87880546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9093.

The product of its (nonzero) digits is 430080, while the sum is 46.

The square root of 87880546 is about 9374.4624379214. The cubic root of 87880546 is about 444.5946668903.

The spelling of 87880546 in words is "eighty-seven million, eight hundred eighty thousand, five hundred forty-six".