2279808957 has 8 divisors (see below), whose sum is σ = 3039996960. Its totient is φ = 1519746800.

The previous prime is 2279808941. The next prime is 2279808961. The reversal of 2279808957 is 7598089722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2279808957 - 2⁴ = 2279808941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2279808897 and 2279808906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2279808997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25594 + ... + 72212.

It is an arithmetic number, because the mean of its divisors is an integer number (379999620).

Almost surely, 2^2279808957 is an apocalyptic number.

It is an amenable number.

2279808957 is a deficient number, since it is larger than the sum of its proper divisors (760188003).

2279808957 is a wasteful number, since it uses less digits than its factorization.

2279808957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62923.

The product of its (nonzero) digits is 5080320, while the sum is 57.

The square root of 2279808957 is about 47747.3450256661. The cubic root of 2279808957 is about 1316.1321110785.

The spelling of 2279808957 in words is "two billion, two hundred seventy-nine million, eight hundred eight thousand, nine hundred fifty-seven".