87099042 has 8 divisors (see below), whose sum is σ = 174198096. Its totient is φ = 29033012.

The previous prime is 87099029. The next prime is 87099043. The reversal of 87099042 is 24099078.

It is a sphenic number, since it is the product of 3 distinct primes.

87099042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (87099043) 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, 7258248 + ... + 7258259.

It is an arithmetic number, because the mean of its divisors is an integer number (21774762).

Almost surely, 2^87099042 is an apocalyptic number.

87099042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87099042 is a wasteful number, since it uses less digits than its factorization.

87099042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14516512.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 87099042 is about 9332.6867514130. The cubic root of 87099042 is about 443.2728439276.

The spelling of 87099042 in words is "eighty-seven million, ninety-nine thousand, forty-two".