557831030307678 has 64 divisors (see below), whose sum is σ = 1242568891365120. Its totient is φ = 185502499685856.

The previous prime is 557831030307533. The next prime is 557831030307773. The reversal of 557831030307678 is 876703030138755.

557831030307678 is a `hidden beast` number, since 5 + 5 + 7 + 8 + 310 + 3 + 0 + 307 + 6 + 7 + 8 = 666.

It is a super-2 number, since 2×557831030307678² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35192301 + ... + 48519687.

It is an arithmetic number, because the mean of its divisors is an integer number (19415138927580).

Almost surely, 2^{557831030307678} is an apocalyptic number.

557831030307678 is an abundant number, since it is smaller than the sum of its proper divisors (684737861057442).

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

557831030307678 is a wasteful number, since it uses less digits than its factorization.

557831030307678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13329238 (or 13329232 counting only the distinct ones).

The product of its (nonzero) digits is 88905600, while the sum is 63.

The spelling of 557831030307678 in words is "five hundred fifty-seven trillion, eight hundred thirty-one billion, thirty million, three hundred seven thousand, six hundred seventy-eight".