854040979 has 8 divisors (see below), whose sum is σ = 961735680. Its totient is φ = 751355400.

The previous prime is 854040961. The next prime is 854040983. The reversal of 854040979 is 979040458.

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

It is a cyclic number.

It is not a de Polignac number, because 854040979 - 2⁷ = 854040851 is a prime.

It is a super-2 number, since 2×854040979² = 1458771987622556882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (854040079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1251919 + ... + 1252600.

It is an arithmetic number, because the mean of its divisors is an integer number (120216960).

Almost surely, 2^854040979 is an apocalyptic number.

854040979 is a deficient number, since it is larger than the sum of its proper divisors (107694701).

854040979 is a wasteful number, since it uses less digits than its factorization.

854040979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2504561.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 854040979 is about 29223.9795202501. The cubic root of 854040979 is about 948.7669983525.

The spelling of 854040979 in words is "eight hundred fifty-four million, forty thousand, nine hundred seventy-nine".