8357406534 has 24 divisors (see below), whose sum is σ = 18118077120. Its totient is φ = 2784207888.

The previous prime is 8357406517. The next prime is 8357406571. The reversal of 8357406534 is 4356047538.

It is a self number, because there is not a number n which added to its sum of digits gives 8357406534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100317 + ... + 163640.

It is an arithmetic number, because the mean of its divisors is an integer number (754919880).

Almost surely, 2^8357406534 is an apocalyptic number.

8357406534 is an abundant number, since it is smaller than the sum of its proper divisors (9760670586).

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

8357406534 is a wasteful number, since it uses less digits than its factorization.

8357406534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265724 (or 265721 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The square root of 8357406534 is about 91418.8521804994. The cubic root of 8357406534 is about 2029.3510292566.

The spelling of 8357406534 in words is "eight billion, three hundred fifty-seven million, four hundred six thousand, five hundred thirty-four".