87805377 has 48 divisors (see below), whose sum is σ = 145297152. Its totient is φ = 52546320.

The previous prime is 87805373. The next prime is 87805379. The reversal of 87805377 is 77350878.

It is not a de Polignac number, because 87805377 - 2² = 87805373 is a prime.

It is a super-2 number, since 2×87805377² = 15419568460224258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87805373) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 285858 + ... + 286164.

It is an arithmetic number, because the mean of its divisors is an integer number (3027024).

Almost surely, 2^87805377 is an apocalyptic number.

It is an amenable number.

87805377 is a deficient number, since it is larger than the sum of its proper divisors (57491775).

87805377 is a wasteful number, since it uses less digits than its factorization.

87805377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440 (or 428 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 45.

The square root of 87805377 is about 9370.4523370006. The cubic root of 87805377 is about 444.4678687492.

The spelling of 87805377 in words is "eighty-seven million, eight hundred five thousand, three hundred seventy-seven".