87099692 has 12 divisors (see below), whose sum is σ = 153091680. Its totient is φ = 43359216.

The previous prime is 87099679. The next prime is 87099697. The reversal of 87099692 is 29699078.

It is a self number, because there is not a number n which added to its sum of digits gives 87099692.

It is not an unprimeable number, because it can be changed into a prime (87099697) 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, 46628 + ... + 48459.

It is an arithmetic number, because the mean of its divisors is an integer number (12757640).

Almost surely, 2^87099692 is an apocalyptic number.

It is an amenable number.

87099692 is a deficient number, since it is larger than the sum of its proper divisors (65991988).

87099692 is a wasteful number, since it uses less digits than its factorization.

87099692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95320 (or 95318 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 87099692 is about 9332.7215751891. The cubic root of 87099692 is about 443.2739466058.

The spelling of 87099692 in words is "eighty-seven million, ninety-nine thousand, six hundred ninety-two".