2479256678 has 8 divisors (see below), whose sum is σ = 3727474968. Its totient is φ = 1236765024.

The previous prime is 2479256657. The next prime is 2479256699. The reversal of 2479256678 is 8766529742.

2479256678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2479256657) and next prime (2479256699).

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

It is a super-2 number, since 2×2479256678² = 12293427350815191368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1430576 + ... + 1432307.

It is an arithmetic number, because the mean of its divisors is an integer number (465934371).

Almost surely, 2^2479256678 is an apocalyptic number.

2479256678 is a deficient number, since it is larger than the sum of its proper divisors (1248218290).

2479256678 is a wasteful number, since it uses less digits than its factorization.

2479256678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863318.

The product of its digits is 10160640, while the sum is 56.

The square root of 2479256678 is about 49792.1347001713. The cubic root of 2479256678 is about 1353.4446422694. Note that the first 3 decimals are identical.

The spelling of 2479256678 in words is "two billion, four hundred seventy-nine million, two hundred fifty-six thousand, six hundred seventy-eight".