87755402 has 16 divisors (see below), whose sum is σ = 152252352. Its totient is φ = 37155840.

The previous prime is 87755387. The next prime is 87755407. The reversal of 87755402 is 20455778.

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 7 ways as a sum of consecutive naturals, for example, 36599 + ... + 38922.

It is an arithmetic number, because the mean of its divisors is an integer number (9515772).

Almost surely, 2^87755402 is an apocalyptic number.

87755402 is a deficient number, since it is larger than the sum of its proper divisors (64496950).

87755402 is a wasteful number, since it uses less digits than its factorization.

87755402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75613.

The product of its (nonzero) digits is 78400, while the sum is 38.

The square root of 87755402 is about 9367.7853305891. The cubic root of 87755402 is about 444.3835288226.

The spelling of 87755402 in words is "eighty-seven million, seven hundred fifty-five thousand, four hundred two".