979966156 has 24 divisors (see below), whose sum is σ = 1955499840. Its totient is φ = 425686272.

The previous prime is 979966123. The next prime is 979966157. The reversal of 979966156 is 651669979.

It is a self number, because there is not a number n which added to its sum of digits gives 979966156.

It is not an unprimeable number, because it can be changed into a prime (979966157) 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, 553396 + ... + 555163.

It is an arithmetic number, because the mean of its divisors is an integer number (81479160).

Almost surely, 2^979966156 is an apocalyptic number.

It is an amenable number.

979966156 is a deficient number, since it is larger than the sum of its proper divisors (975533684).

979966156 is a wasteful number, since it uses less digits than its factorization.

979966156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108593 (or 1108591 counting only the distinct ones).

The product of its digits is 5511240, while the sum is 58.

The square root of 979966156 is about 31304.4111268684. The cubic root of 979966156 is about 993.2769539442.

The spelling of 979966156 in words is "nine hundred seventy-nine million, nine hundred sixty-six thousand, one hundred fifty-six".