2678734758 has 32 divisors (see below), whose sum is σ = 6126483456. Its totient is φ = 764895168.

The previous prime is 2678734739. The next prime is 2678734759. The reversal of 2678734758 is 8574378762.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2678734698 and 2678734707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2678734759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55435 + ... + 91817.

It is an arithmetic number, because the mean of its divisors is an integer number (191452608).

Almost surely, 2^2678734758 is an apocalyptic number.

2678734758 is an abundant number, since it is smaller than the sum of its proper divisors (3447748698).

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

2678734758 is a wasteful number, since it uses less digits than its factorization.

2678734758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38148.

The product of its digits is 15805440, while the sum is 57.

The square root of 2678734758 is about 51756.4948388123. The cubic root of 2678734758 is about 1388.8112877726.

The spelling of 2678734758 in words is "two billion, six hundred seventy-eight million, seven hundred thirty-four thousand, seven hundred fifty-eight".