979140454 has 8 divisors (see below), whose sum is σ = 1482970320. Its totient is φ = 484817016.

The previous prime is 979140451. The next prime is 979140469. The reversal of 979140454 is 454041979.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×979140454² = 1917432057318652232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 979140454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979140451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2376349 + ... + 2376760.

It is an arithmetic number, because the mean of its divisors is an integer number (185371290).

Almost surely, 2^979140454 is an apocalyptic number.

979140454 is a deficient number, since it is larger than the sum of its proper divisors (503829866).

979140454 is a wasteful number, since it uses less digits than its factorization.

979140454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4753214.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 979140454 is about 31291.2200784821. The cubic root of 979140454 is about 992.9979030748.

The spelling of 979140454 in words is "nine hundred seventy-nine million, one hundred forty thousand, four hundred fifty-four".