7979254854 has 32 divisors (see below), whose sum is σ = 16269120000. Its totient is φ = 2608436064.

The previous prime is 7979254847. The next prime is 7979254903. The reversal of 7979254854 is 4584529797.

It is a super-2 number, since 2×7979254854² (a number of 21 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 14137 + ... + 127115.

It is an arithmetic number, because the mean of its divisors is an integer number (508410000).

Almost surely, 2^7979254854 is an apocalyptic number.

7979254854 is an abundant number, since it is smaller than the sum of its proper divisors (8289865146).

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

7979254854 is a wasteful number, since it uses less digits than its factorization.

7979254854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113212.

The product of its digits is 25401600, while the sum is 60.

The square root of 7979254854 is about 89326.6749297207. The cubic root of 7979254854 is about 1998.2697413675.

The spelling of 7979254854 in words is "seven billion, nine hundred seventy-nine million, two hundred fifty-four thousand, eight hundred fifty-four".