63850979 has 4 divisors (see below), whose sum is σ = 65910720. Its totient is φ = 61791240.

The previous prime is 63850973. The next prime is 63851009. The reversal of 63850979 is 97905836.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63850979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63850973) 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, 1029824 + ... + 1029885.

It is an arithmetic number, because the mean of its divisors is an integer number (16477680).

Almost surely, 2^63850979 is an apocalyptic number.

63850979 is a deficient number, since it is larger than the sum of its proper divisors (2059741).

63850979 is a wasteful number, since it uses less digits than its factorization.

63850979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2059740.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 63850979 is about 7990.6807594848. The cubic root of 63850979 is about 399.6892983070.

The spelling of 63850979 in words is "sixty-three million, eight hundred fifty thousand, nine hundred seventy-nine".