857463364758 has 384 divisors, whose sum is σ = 2423039947776. Its totient is φ = 198698572800.

The previous prime is 857463364741. The next prime is 857463364783.

857463364758 is nontrivially palindromic in base 10.

857463364758 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×857463364758² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 244220223 + ... + 244223733.

It is an arithmetic number, because the mean of its divisors is an integer number (6309999864).

Almost surely, 2^857463364758 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 857463364758, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1211519973888).

857463364758 is an abundant number, since it is smaller than the sum of its proper divisors (1565576583018).

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

857463364758 is a wasteful number, since it uses less digits than its factorization.

857463364758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3748 (or 3741 counting only the distinct ones).

The product of its digits is 406425600, while the sum is 66.

It can be divided in two parts, 857463 and 364758, that added together give a palindrome (1222221).

The spelling of 857463364758 in words is "eight hundred fifty-seven billion, four hundred sixty-three million, three hundred sixty-four thousand, seven hundred fifty-eight".