416979863 has 4 divisors (see below), whose sum is σ = 421665120. Its totient is φ = 412294608.

The previous prime is 416979851. The next prime is 416979877. The reversal of 416979863 is 368979614.

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-416979863 is a prime.

It is a super-2 number, since 2×416979863² = 347744412294997538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (416979763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2342495 + ... + 2342672.

It is an arithmetic number, because the mean of its divisors is an integer number (105416280).

Almost surely, 2^416979863 is an apocalyptic number.

416979863 is a deficient number, since it is larger than the sum of its proper divisors (4685257).

416979863 is an equidigital number, since it uses as much as digits as its factorization.

416979863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4685256.

The product of its digits is 1959552, while the sum is 53.

The square root of 416979863 is about 20420.0847941432. The cubic root of 416979863 is about 747.0878854942.

The spelling of 416979863 in words is "four hundred sixteen million, nine hundred seventy-nine thousand, eight hundred sixty-three".