87880810 has 8 divisors (see below), whose sum is σ = 158185476. Its totient is φ = 35152320.

The previous prime is 87880801. The next prime is 87880823. The reversal of 87880810 is 1808878.

It can be written as a sum of positive squares in 2 ways, for example, as 82029249 + 5851561 = 9057^2 + 2419^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×87880810² = 15446073532512200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4394031 + ... + 4394050.

Almost surely, 2^87880810 is an apocalyptic number.

87880810 is a deficient number, since it is larger than the sum of its proper divisors (70304666).

87880810 is a wasteful number, since it uses less digits than its factorization.

87880810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8788088.

The product of its (nonzero) digits is 28672, while the sum is 40.

The square root of 87880810 is about 9374.4765187183. The cubic root of 87880810 is about 444.5951120889.

The spelling of 87880810 in words is "eighty-seven million, eight hundred eighty thousand, eight hundred ten".