78751364 has 12 divisors (see below), whose sum is σ = 138329100. Its totient is φ = 39228768.

The previous prime is 78751363. The next prime is 78751369. The reversal of 78751364 is 46315787.

It can be written as a sum of positive squares in 2 ways, for example, as 44622400 + 34128964 = 6680^2 + 5842^2 .

It is not an unprimeable number, because it can be changed into a prime (78751363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35519 + ... + 37670.

It is an arithmetic number, because the mean of its divisors is an integer number (11527425).

Almost surely, 2^78751364 is an apocalyptic number.

It is an amenable number.

78751364 is a deficient number, since it is larger than the sum of its proper divisors (59577736).

78751364 is a wasteful number, since it uses less digits than its factorization.

78751364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73462 (or 73460 counting only the distinct ones).

The product of its digits is 141120, while the sum is 41.

The square root of 78751364 is about 8874.1965270102. The cubic root of 78751364 is about 428.6334188214.

The spelling of 78751364 in words is "seventy-eight million, seven hundred fifty-one thousand, three hundred sixty-four".