7678160715 has 8 divisors (see below), whose sum is σ = 12285057168. Its totient is φ = 4095019040.

The previous prime is 7678160701. The next prime is 7678160719. The reversal of 7678160715 is 5170618767.

It is a happy number.

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

It is not a de Polignac number, because 7678160715 - 2⁵ = 7678160683 is a prime.

It is a super-2 number, since 2×7678160715² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7678160719) 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, 255938676 + ... + 255938705.

It is an arithmetic number, because the mean of its divisors is an integer number (1535632146).

Almost surely, 2^7678160715 is an apocalyptic number.

7678160715 is a deficient number, since it is larger than the sum of its proper divisors (4606896453).

7678160715 is a wasteful number, since it uses less digits than its factorization.

7678160715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511877389.

The product of its (nonzero) digits is 493920, while the sum is 48.

The square root of 7678160715 is about 87625.1146361590. The cubic root of 7678160715 is about 1972.8121445672.

The spelling of 7678160715 in words is "seven billion, six hundred seventy-eight million, one hundred sixty thousand, seven hundred fifteen".