922712987 has 8 divisors (see below), whose sum is σ = 1074426336. Its totient is φ = 775973952.

The previous prime is 922712971. The next prime is 922713019. The reversal of 922712987 is 789217229.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 922712987 - 2⁴ = 922712971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (922712957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1243178 + ... + 1243919.

It is an arithmetic number, because the mean of its divisors is an integer number (134303292).

Almost surely, 2^922712987 is an apocalyptic number.

922712987 is a deficient number, since it is larger than the sum of its proper divisors (151713349).

922712987 is a wasteful number, since it uses less digits than its factorization.

922712987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2487157.

The product of its digits is 254016, while the sum is 47.

The square root of 922712987 is about 30376.1911206787. The cubic root of 922712987 is about 973.5439100621.

The spelling of 922712987 in words is "nine hundred twenty-two million, seven hundred twelve thousand, nine hundred eighty-seven".