87755404 has 12 divisors (see below), whose sum is σ = 167533128. Its totient is φ = 39888800.

The previous prime is 87755387. The next prime is 87755407. The reversal of 87755404 is 40455778.

It is not an unprimeable number, because it can be changed into a prime (87755407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 997177 + ... + 997264.

It is an arithmetic number, because the mean of its divisors is an integer number (13961094).

Almost surely, 2^87755404 is an apocalyptic number.

It is an amenable number.

87755404 is a deficient number, since it is larger than the sum of its proper divisors (79777724).

87755404 is a wasteful number, since it uses less digits than its factorization.

87755404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994456 (or 1994454 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 40.

The square root of 87755404 is about 9367.7854373379. The cubic root of 87755404 is about 444.3835321985.

The spelling of 87755404 in words is "eighty-seven million, seven hundred fifty-five thousand, four hundred four".