8162742864 has 40 divisors (see below), whose sum is σ = 21657011680. Its totient is φ = 2647375488.

The previous prime is 8162742859. The next prime is 8162742869. The reversal of 8162742864 is 4682472618.

It is an interprime number because it is at equal distance from previous prime (8162742859) and next prime (8162742869).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8162742869) 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, 2296294 + ... + 2299845.

It is an arithmetic number, because the mean of its divisors is an integer number (541425292).

Almost surely, 2^8162742864 is an apocalyptic number.

It is an amenable number.

8162742864 is an abundant number, since it is smaller than the sum of its proper divisors (13494268816).

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

8162742864 is a wasteful number, since it uses less digits than its factorization.

8162742864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4596187 (or 4596181 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 48.

The square root of 8162742864 is about 90347.8990569233. The cubic root of 8162742864 is about 2013.4709681308.

The spelling of 8162742864 in words is "eight billion, one hundred sixty-two million, seven hundred forty-two thousand, eight hundred sixty-four".