83722335851 has 72 divisors (see below), whose sum is σ = 113698625040. Its totient is φ = 61248337920.

The previous prime is 83722335839. The next prime is 83722335863. The reversal of 83722335851 is 15853322738.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (83722335839) and next prime (83722335863).

It is not a de Polignac number, because 83722335851 - 2⁶ = 83722335787 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83722335796 and 83722335805.

It is not an unprimeable number, because it can be changed into a prime (83722335251) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 12726275 + ... + 12732851.

It is an arithmetic number, because the mean of its divisors is an integer number (1579147570).

Almost surely, 2^83722335851 is an apocalyptic number.

83722335851 is a deficient number, since it is larger than the sum of its proper divisors (29976289189).

83722335851 is a wasteful number, since it uses less digits than its factorization.

83722335851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6745 (or 6727 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 47.

The spelling of 83722335851 in words is "eighty-three billion, seven hundred twenty-two million, three hundred thirty-five thousand, eight hundred fifty-one".