87755942 has 16 divisors (see below), whose sum is σ = 134521152. Its totient is φ = 42923520.

The previous prime is 87755933. The next prime is 87755959. The reversal of 87755942 is 24955778.

It is a happy number.

It is a super-2 number, since 2×87755942² = 15402210712614728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21683 + ... + 25409.

It is an arithmetic number, because the mean of its divisors is an integer number (8407572).

Almost surely, 2^87755942 is an apocalyptic number.

87755942 is a deficient number, since it is larger than the sum of its proper divisors (46765210).

87755942 is a wasteful number, since it uses less digits than its factorization.

87755942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3983.

The product of its digits is 705600, while the sum is 47.

The square root of 87755942 is about 9367.8141527253. The cubic root of 87755942 is about 444.3844403205.

The spelling of 87755942 in words is "eighty-seven million, seven hundred fifty-five thousand, nine hundred forty-two".