83722430064 has 80 divisors (see below), whose sum is σ = 266194406912. Its totient is φ = 22080639744.

The previous prime is 83722430027. The next prime is 83722430069. The reversal of 83722430064 is 46003422738.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83722430069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9579244 + ... + 9587979.

Almost surely, 2^83722430064 is an apocalyptic number.

83722430064 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

83722430064 is an abundant number, since it is smaller than the sum of its proper divisors (182471976848).

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

83722430064 is a wasteful number, since it uses less digits than its factorization.

83722430064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19167254 (or 19167248 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 39.

The spelling of 83722430064 in words is "eighty-three billion, seven hundred twenty-two million, four hundred thirty thousand, sixty-four".