57663126780 has 48 divisors (see below), whose sum is σ = 184522007040. Its totient is φ = 13180143168.

The previous prime is 57663126779. The next prime is 57663126803. The reversal of 57663126780 is 8762136675.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68646160 + ... + 68646999.

It is an arithmetic number, because the mean of its divisors is an integer number (3844208480).

Almost surely, 2^57663126780 is an apocalyptic number.

It is an amenable number.

57663126780 is an abundant number, since it is smaller than the sum of its proper divisors (126858880260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57663126780 is a wasteful number, since it uses less digits than its factorization.

57663126780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137293178 (or 137293176 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 51.

The spelling of 57663126780 in words is "fifty-seven billion, six hundred sixty-three million, one hundred twenty-six thousand, seven hundred eighty".