8457753642 has 16 divisors (see below), whose sum is σ = 18216700320. Its totient is φ = 2602385712.

The previous prime is 8457753641. The next prime is 8457753659. The reversal of 8457753642 is 2463577548.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8457753641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54216292 + ... + 54216447.

It is an arithmetic number, because the mean of its divisors is an integer number (1138543770).

Almost surely, 2^8457753642 is an apocalyptic number.

8457753642 is an abundant number, since it is smaller than the sum of its proper divisors (9758946678).

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

8457753642 is a wasteful number, since it uses less digits than its factorization.

8457753642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108432757.

The product of its digits is 5644800, while the sum is 51.

The square root of 8457753642 is about 91966.0461366041. The cubic root of 8457753642 is about 2037.4408542782.

The spelling of 8457753642 in words is "eight billion, four hundred fifty-seven million, seven hundred fifty-three thousand, six hundred forty-two".