87770601 has 16 divisors (see below), whose sum is σ = 131814720. Its totient is φ = 57710880.

The previous prime is 87770593. The next prime is 87770621. The reversal of 87770601 is 10607778.

It is not a de Polignac number, because 87770601 - 2³ = 87770593 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87770621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20295 + ... + 24236.

It is an arithmetic number, because the mean of its divisors is an integer number (8238420).

Almost surely, 2^87770601 is an apocalyptic number.

It is an amenable number.

87770601 is a deficient number, since it is larger than the sum of its proper divisors (44044119).

87770601 is a wasteful number, since it uses less digits than its factorization.

87770601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44613 (or 44607 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 36.

The square root of 87770601 is about 9368.5965330993. The cubic root of 87770601 is about 444.4091826862.

The spelling of 87770601 in words is "eighty-seven million, seven hundred seventy thousand, six hundred one".