87792687 has 16 divisors (see below), whose sum is σ = 131092480. Its totient is φ = 58065336.

The previous prime is 87792667. The next prime is 87792701. The reversal of 87792687 is 78629778.

It is not a de Polignac number, because 87792687 - 2¹⁰ = 87791663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87792667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9373 + ... + 16230.

It is an arithmetic number, because the mean of its divisors is an integer number (8193280).

Almost surely, 2^87792687 is an apocalyptic number.

87792687 is a deficient number, since it is larger than the sum of its proper divisors (43299793).

87792687 is a wasteful number, since it uses less digits than its factorization.

87792687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25739 (or 25733 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 54.

The square root of 87792687 is about 9369.7751840693. The cubic root of 87792687 is about 444.4464555997.

The spelling of 87792687 in words is "eighty-seven million, seven hundred ninety-two thousand, six hundred eighty-seven".