8142722652 has 24 divisors (see below), whose sum is σ = 19023547536. Its totient is φ = 2710832128.

The previous prime is 8142722647. The next prime is 8142722657. The reversal of 8142722652 is 2562272418.

It is an interprime number because it is at equal distance from previous prime (8142722647) and next prime (8142722657).

It is a self number, because there is not a number n which added to its sum of digits gives 8142722652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8142722657) 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, 416133 + ... + 435260.

It is an arithmetic number, because the mean of its divisors is an integer number (792647814).

Almost surely, 2^8142722652 is an apocalyptic number.

It is an amenable number.

8142722652 is an abundant number, since it is smaller than the sum of its proper divisors (10880824884).

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

8142722652 is a wasteful number, since it uses less digits than its factorization.

8142722652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852197 (or 852195 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The square root of 8142722652 is about 90237.0359220647. The cubic root of 8142722652 is about 2011.8235187953.

The spelling of 8142722652 in words is "eight billion, one hundred forty-two million, seven hundred twenty-two thousand, six hundred fifty-two".