72828018157 has 8 divisors (see below), whose sum is σ = 74123783552. Its totient is φ = 71535538800.

The previous prime is 72828018127. The next prime is 72828018161. The reversal of 72828018157 is 75181082827.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72828018157 - 2²³ = 72819629549 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72828018157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72828018127) 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, 776769 + ... + 865462.

It is an arithmetic number, because the mean of its divisors is an integer number (9265472944).

Almost surely, 2^72828018157 is an apocalyptic number.

It is an amenable number.

72828018157 is a deficient number, since it is larger than the sum of its proper divisors (1295765395).

72828018157 is a wasteful number, since it uses less digits than its factorization.

72828018157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643019.

The product of its (nonzero) digits is 501760, while the sum is 49.

The spelling of 72828018157 in words is "seventy-two billion, eight hundred twenty-eight million, eighteen thousand, one hundred fifty-seven".