83772230501 has 16 divisors (see below), whose sum is σ = 87930399744. Its totient is φ = 79729876464.

The previous prime is 83772230491. The next prime is 83772230557. The reversal of 83772230501 is 10503227738.

It is a cyclic number.

It is not a de Polignac number, because 83772230501 - 2¹⁰ = 83772229477 is a prime.

It is a super-2 number, since 2×83772230501² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83772260501) 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, 367466 + ... + 550068.

It is an arithmetic number, because the mean of its divisors is an integer number (5495649984).

Almost surely, 2^83772230501 is an apocalyptic number.

It is an amenable number.

83772230501 is a deficient number, since it is larger than the sum of its proper divisors (4158169243).

83772230501 is a wasteful number, since it uses less digits than its factorization.

83772230501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182920.

The product of its (nonzero) digits is 70560, while the sum is 38.

The spelling of 83772230501 in words is "eighty-three billion, seven hundred seventy-two million, two hundred thirty thousand, five hundred one".