979217454 has 16 divisors (see below), whose sum is σ = 1991629440. Its totient is φ = 320873400.

The previous prime is 979217443. The next prime is 979217461. The reversal of 979217454 is 454712979.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1382722 + ... + 1383429.

It is an arithmetic number, because the mean of its divisors is an integer number (124476840).

Almost surely, 2^979217454 is an apocalyptic number.

979217454 is an abundant number, since it is smaller than the sum of its proper divisors (1012411986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

979217454 is a wasteful number, since it uses less digits than its factorization.

979217454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2766215.

The product of its digits is 635040, while the sum is 48.

The square root of 979217454 is about 31292.4504313740. The cubic root of 979217454 is about 993.0239323109.

The spelling of 979217454 in words is "nine hundred seventy-nine million, two hundred seventeen thousand, four hundred fifty-four".