83072640084 has 48 divisors (see below), whose sum is σ = 229165910400. Its totient is φ = 22916589696.

The previous prime is 83072640071. The next prime is 83072640089. The reversal of 83072640084 is 48004627038.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83072640089) 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, 17048599 + ... + 17053470.

It is an arithmetic number, because the mean of its divisors is an integer number (4774289800).

Almost surely, 2^83072640084 is an apocalyptic number.

83072640084 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

83072640084 is an abundant number, since it is smaller than the sum of its proper divisors (146093270316).

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

83072640084 is a wasteful number, since it uses less digits than its factorization.

83072640084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34102112 (or 34102110 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The spelling of 83072640084 in words is "eighty-three billion, seventy-two million, six hundred forty thousand, eighty-four".