87098930 has 16 divisors (see below), whose sum is σ = 163594944. Its totient is φ = 33324720.

The previous prime is 87098923. The next prime is 87098969. The reversal of 87098930 is 3989078.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189116 + ... + 189575.

It is an arithmetic number, because the mean of its divisors is an integer number (10224684).

Almost surely, 2^87098930 is an apocalyptic number.

87098930 is a deficient number, since it is larger than the sum of its proper divisors (76496014).

87098930 is a wasteful number, since it uses less digits than its factorization.

87098930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378721.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 87098930 is about 9332.6807509954. The cubic root of 87098930 is about 443.2726539272.

The spelling of 87098930 in words is "eighty-seven million, ninety-eight thousand, nine hundred thirty".