78287914682 has 32 divisors (see below), whose sum is σ = 121154225040. Its totient is φ = 37913218560.

The previous prime is 78287914669. The next prime is 78287914687. The reversal of 78287914682 is 28641978287.

It can be written as a sum of positive squares in 8 ways, for example, as 39597418081 + 38690496601 = 198991^2 + 196699^2 .

It is a super-2 number, since 2×78287914682² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78287914687) 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, 15854918 + ... + 15859854.

Almost surely, 2^78287914682 is an apocalyptic number.

78287914682 is a deficient number, since it is larger than the sum of its proper divisors (42866310358).

78287914682 is a wasteful number, since it uses less digits than its factorization.

78287914682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5906.

The product of its digits is 21676032, while the sum is 62.

The spelling of 78287914682 in words is "seventy-eight billion, two hundred eighty-seven million, nine hundred fourteen thousand, six hundred eighty-two".