57479777 has 8 divisors (see below), whose sum is σ = 58918464. Its totient is φ = 56045808.

The previous prime is 57479749. The next prime is 57479791. The reversal of 57479777 is 77797475.

It is a happy number.

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 57479777 - 2⁶ = 57479713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57479707) 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, 46388 + ... + 47610.

It is an arithmetic number, because the mean of its divisors is an integer number (7364808).

Almost surely, 2^57479777 is an apocalyptic number.

It is an amenable number.

57479777 is a deficient number, since it is larger than the sum of its proper divisors (1438687).

57479777 is a wasteful number, since it uses less digits than its factorization.

57479777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2359.

The product of its digits is 3025260, while the sum is 53.

The square root of 57479777 is about 7581.5418616532. The cubic root of 57479777 is about 385.9268768033.

The spelling of 57479777 in words is "fifty-seven million, four hundred seventy-nine thousand, seven hundred seventy-seven".