78754770275 has 12 divisors (see below), whose sum is σ = 98044990344. Its totient is φ = 62752800000.

The previous prime is 78754770247. The next prime is 78754770277. The reversal of 78754770275 is 57207745787.

It is a happy number.

It is not a de Polignac number, because 78754770275 - 2¹⁶ = 78754704739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78754770277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6269006 + ... + 6281555.

It is an arithmetic number, because the mean of its divisors is an integer number (8170415862).

Almost surely, 2^78754770275 is an apocalyptic number.

78754770275 is a deficient number, since it is larger than the sum of its proper divisors (19290220069).

78754770275 is a wasteful number, since it uses less digits than its factorization.

78754770275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12550822 (or 12550817 counting only the distinct ones).

The product of its (nonzero) digits is 26891200, while the sum is 59.

The spelling of 78754770275 in words is "seventy-eight billion, seven hundred fifty-four million, seven hundred seventy thousand, two hundred seventy-five".