979999963 has 4 divisors (see below), whose sum is σ = 980103040. Its totient is φ = 979896888.

The previous prime is 979999957. The next prime is 979999973. The reversal of 979999963 is 369999979.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-979999963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 979999892 and 979999901.

It is not an unprimeable number, because it can be changed into a prime (979999903) 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, 35643 + ... + 56836.

It is an arithmetic number, because the mean of its divisors is an integer number (245025760).

Almost surely, 2^979999963 is an apocalyptic number.

979999963 is a deficient number, since it is larger than the sum of its proper divisors (103077).

979999963 is a wasteful number, since it uses less digits than its factorization.

979999963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103076.

The product of its digits is 66961566, while the sum is 70.

The square root of 979999963 is about 31304.9510940362. The cubic root of 979999963 is about 993.2883758787.

The spelling of 979999963 in words is "nine hundred seventy-nine million, nine hundred ninety-nine thousand, nine hundred sixty-three".