83672344281 has 32 divisors (see below), whose sum is σ = 115505626752. Its totient is φ = 53848005120.

The previous prime is 83672344277. The next prime is 83672344429. The reversal of 83672344281 is 18244327638.

It is not a de Polignac number, because 83672344281 - 2² = 83672344277 is a prime.

It is a super-2 number, since 2×83672344281² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 83672344281.

It is not an unprimeable number, because it can be changed into a prime (83672344201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4877986 + ... + 4895108.

It is an arithmetic number, because the mean of its divisors is an integer number (3609550836).

Almost surely, 2^83672344281 is an apocalyptic number.

It is an amenable number.

83672344281 is a deficient number, since it is larger than the sum of its proper divisors (31833282471).

83672344281 is a wasteful number, since it uses less digits than its factorization.

83672344281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17673.

The product of its digits is 1548288, while the sum is 48.

The spelling of 83672344281 in words is "eighty-three billion, six hundred seventy-two million, three hundred forty-four thousand, two hundred eighty-one".