87402367 has 4 divisors (see below), whose sum is σ = 94125640. Its totient is φ = 80679096.

The previous prime is 87402331. The next prime is 87402379. The reversal of 87402367 is 76320478.

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

It is a cyclic number.

It is not a de Polignac number, because 87402367 - 2⁷ = 87402239 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 (87402307) 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, 3361617 + ... + 3361642.

It is an arithmetic number, because the mean of its divisors is an integer number (23531410).

Almost surely, 2^87402367 is an apocalyptic number.

87402367 is a deficient number, since it is larger than the sum of its proper divisors (6723273).

87402367 is a wasteful number, since it uses less digits than its factorization.

87402367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6723272.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 87402367 is about 9348.9233069910. The cubic root of 87402367 is about 443.7868180256.

The spelling of 87402367 in words is "eighty-seven million, four hundred two thousand, three hundred sixty-seven".