57898858863456 has 192 divisors, whose sum is σ = 182068257954240. Its totient is φ = 17794809077760.

The previous prime is 57898858863449. The next prime is 57898858863467. The reversal of 57898858863456 is 65436885889875.

It is a happy number.

57898858863456 is a `hidden beast` number, since 5 + 7 + 8 + 98 + 8 + 5 + 8 + 8 + 63 + 456 = 666.

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, 6969846 + ... + 12820938.

It is an arithmetic number, because the mean of its divisors is an integer number (948272176845).

Almost surely, 2^{57898858863456} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57898858863456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91034128977120).

57898858863456 is an abundant number, since it is smaller than the sum of its proper divisors (124169399090784).

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

57898858863456 is a wasteful number, since it uses less digits than its factorization.

57898858863456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5852006 (or 5851992 counting only the distinct ones).

The product of its digits is 111476736000, while the sum is 90.

The spelling of 57898858863456 in words is "fifty-seven trillion, eight hundred ninety-eight billion, eight hundred fifty-eight million, eight hundred sixty-three thousand, four hundred fifty-six".