472892687 has 2 divisors, whose sum is σ = 472892688. Its totient is φ = 472892686.

The previous prime is 472892681. The next prime is 472892701. The reversal of 472892687 is 786298274.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-472892687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (472892681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236446343 + 236446344.

It is an arithmetic number, because the mean of its divisors is an integer number (236446344).

Almost surely, 2^472892687 is an apocalyptic number.

472892687 is a deficient number, since it is larger than the sum of its proper divisors (1).

472892687 is an equidigital number, since it uses as much as digits as its factorization.

472892687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2709504, while the sum is 53.

The square root of 472892687 is about 21746.0959024833. The cubic root of 472892687 is about 779.0898253650.

The spelling of 472892687 in words is "four hundred seventy-two million, eight hundred ninety-two thousand, six hundred eighty-seven".