8012779375 has 20 divisors (see below), whose sum is σ = 10029739456. Its totient is φ = 6399360000.

The previous prime is 8012779367. The next prime is 8012779391. The reversal of 8012779375 is 5739772108.

It is a happy number.

It is not a de Polignac number, because 8012779375 - 2³ = 8012779367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 368815 + ... + 389935.

Almost surely, 2^8012779375 is an apocalyptic number.

8012779375 is a deficient number, since it is larger than the sum of its proper divisors (2016960081).

8012779375 is an equidigital number, since it uses as much as digits as its factorization.

8012779375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21748 (or 21733 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 49.

The square root of 8012779375 is about 89514.1294712740. The cubic root of 8012779375 is about 2001.0643813623.

The spelling of 8012779375 in words is "eight billion, twelve million, seven hundred seventy-nine thousand, three hundred seventy-five".