78288627134 has 16 divisors (see below), whose sum is σ = 117870912720. Its totient is φ = 38998370880.

The previous prime is 78288627127. The next prime is 78288627173. The reversal of 78288627134 is 43172688287.

It is a super-2 number, since 2×78288627134² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78288627134.

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, 6025457 + ... + 6038435.

It is an arithmetic number, because the mean of its divisors is an integer number (7366932045).

Almost surely, 2^78288627134 is an apocalyptic number.

78288627134 is a deficient number, since it is larger than the sum of its proper divisors (39582285586).

78288627134 is a wasteful number, since it uses less digits than its factorization.

78288627134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23995.

The product of its digits is 7225344, while the sum is 56.

The spelling of 78288627134 in words is "seventy-eight billion, two hundred eighty-eight million, six hundred twenty-seven thousand, one hundred thirty-four".