8279279057 has 4 divisors (see below), whose sum is σ = 9462033216. Its totient is φ = 7096524900.

The previous prime is 8279279003. The next prime is 8279279059. The reversal of 8279279057 is 7509729728.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8279279057 - 2¹² = 8279274961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8279278993 and 8279279011.

It is not an unprimeable number, because it can be changed into a prime (8279279059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 591377069 + ... + 591377082.

It is an arithmetic number, because the mean of its divisors is an integer number (2365508304).

Almost surely, 2^8279279057 is an apocalyptic number.

It is an amenable number.

8279279057 is a deficient number, since it is larger than the sum of its proper divisors (1182754159).

8279279057 is a wasteful number, since it uses less digits than its factorization.

8279279057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182754158.

The product of its (nonzero) digits is 4445280, while the sum is 56.

The square root of 8279279057 is about 90990.5437779113. The cubic root of 8279279057 is about 2023.0075657906.

The spelling of 8279279057 in words is "eight billion, two hundred seventy-nine million, two hundred seventy-nine thousand, fifty-seven".