78364010075 has 24 divisors (see below), whose sum is σ = 104861184288. Its totient is φ = 57749863680.

The previous prime is 78364010069. The next prime is 78364010089. The reversal of 78364010075 is 57001046387.

It is a de Polignac number, because none of the positive numbers 2^k-78364010075 is a prime.

It is a super-2 number, since 2×78364010075² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89282 + ... + 405831.

It is an arithmetic number, because the mean of its divisors is an integer number (4369216012).

Almost surely, 2^78364010075 is an apocalyptic number.

78364010075 is a deficient number, since it is larger than the sum of its proper divisors (26497174213).

78364010075 is a wasteful number, since it uses less digits than its factorization.

78364010075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495623 (or 495618 counting only the distinct ones).

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

The spelling of 78364010075 in words is "seventy-eight billion, three hundred sixty-four million, ten thousand, seventy-five".