87294937 has 4 divisors (see below), whose sum is σ = 87442740. Its totient is φ = 87147136.

The previous prime is 87294931. The next prime is 87294941. The reversal of 87294937 is 73949278.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 69155856 + 18139081 = 8316^2 + 4259^2 .

It is a cyclic number.

It is not a de Polignac number, because 87294937 - 2³ = 87294929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87294931) 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, 73012 + ... + 74197.

It is an arithmetic number, because the mean of its divisors is an integer number (21860685).

Almost surely, 2^87294937 is an apocalyptic number.

It is an amenable number.

87294937 is a deficient number, since it is larger than the sum of its proper divisors (147803).

87294937 is a wasteful number, since it uses less digits than its factorization.

87294937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147802.

The product of its digits is 762048, while the sum is 49.

The square root of 87294937 is about 9343.1759589553. The cubic root of 87294937 is about 443.6049176706.

The spelling of 87294937 in words is "eighty-seven million, two hundred ninety-four thousand, nine hundred thirty-seven".