922797987 has 8 divisors (see below), whose sum is σ = 1270087680. Its totient is φ = 595353480.

The previous prime is 922797977. The next prime is 922797989. The reversal of 922797987 is 789797229.

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

It is not a de Polignac number, because 922797987 - 2⁶ = 922797923 is a prime.

It is a super-3 number, since 3×922797987³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 922797987.

It is not an unprimeable number, because it can be changed into a prime (922797989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4961187 + ... + 4961372.

It is an arithmetic number, because the mean of its divisors is an integer number (158760960).

Almost surely, 2^922797987 is an apocalyptic number.

922797987 is a deficient number, since it is larger than the sum of its proper divisors (347289693).

922797987 is a wasteful number, since it uses less digits than its factorization.

922797987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9922593.

The product of its digits is 8001504, while the sum is 60.

The square root of 922797987 is about 30377.5902105483. The cubic root of 922797987 is about 973.5738033199.

The spelling of 922797987 in words is "nine hundred twenty-two million, seven hundred ninety-seven thousand, nine hundred eighty-seven".