57388295477 has 2 divisors, whose sum is σ = 57388295478. Its totient is φ = 57388295476.

The previous prime is 57388295467. The next prime is 57388295483. The reversal of 57388295477 is 77459288375.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50747023441 + 6641272036 = 225271^2 + 81494^2 .

It is a cyclic number.

It is not a de Polignac number, because 57388295477 - 2²⁴ = 57371518261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57388295467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28694147738 + 28694147739.

It is an arithmetic number, because the mean of its divisors is an integer number (28694147739).

Almost surely, 2^57388295477 is an apocalyptic number.

It is an amenable number.

57388295477 is a deficient number, since it is larger than the sum of its proper divisors (1).

57388295477 is an equidigital number, since it uses as much as digits as its factorization.

57388295477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 118540800, while the sum is 65.

The spelling of 57388295477 in words is "fifty-seven billion, three hundred eighty-eight million, two hundred ninety-five thousand, four hundred seventy-seven".