87500042 has 32 divisors (see below), whose sum is σ = 159052800. Its totient is φ = 35303040.

The previous prime is 87500029. The next prime is 87500053. The reversal of 87500042 is 24000578.

It is a junction number, because it is equal to n+sod(n) for n = 87499984 and 87500020.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13334 + ... + 18782.

It is an arithmetic number, because the mean of its divisors is an integer number (4970400).

Almost surely, 2^87500042 is an apocalyptic number.

87500042 is a deficient number, since it is larger than the sum of its proper divisors (71552758).

87500042 is a wasteful number, since it uses less digits than its factorization.

87500042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5526.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 87500042 is about 9354.1457119290. The cubic root of 87500042 is about 443.9520719036.

The spelling of 87500042 in words is "eighty-seven million, five hundred thousand, forty-two".