7678407982 has 16 divisors (see below), whose sum is σ = 13196832480. Its totient is φ = 3282284448.

The previous prime is 7678407967. The next prime is 7678407991. The reversal of 7678407982 is 2897048767.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 699513 + ... + 710404.

It is an arithmetic number, because the mean of its divisors is an integer number (824802030).

Almost surely, 2^7678407982 is an apocalyptic number.

7678407982 is a deficient number, since it is larger than the sum of its proper divisors (5518424498).

7678407982 is a wasteful number, since it uses less digits than its factorization.

7678407982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410315.

The product of its (nonzero) digits is 9483264, while the sum is 58.

The square root of 7678407982 is about 87626.5255616129. The cubic root of 7678407982 is about 1972.8333217789.

The spelling of 7678407982 in words is "seven billion, six hundred seventy-eight million, four hundred seven thousand, nine hundred eighty-two".