57279204338 has 4 divisors (see below), whose sum is σ = 85918806510. Its totient is φ = 28639602168.

The previous prime is 57279204313. The next prime is 57279204379. The reversal of 57279204338 is 83340297275.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 35365435249 + 21913769089 = 188057^2 + 148033^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14319801083 + ... + 14319801086.

Almost surely, 2^57279204338 is an apocalyptic number.

57279204338 is a deficient number, since it is larger than the sum of its proper divisors (28639602172).

57279204338 is a wasteful number, since it uses less digits than its factorization.

57279204338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28639602171.

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 57279204338 in words is "fifty-seven billion, two hundred seventy-nine million, two hundred four thousand, three hundred thirty-eight".