83031485672 has 16 divisors (see below), whose sum is σ = 155721549060. Its totient is φ = 41505739264.

The previous prime is 83031485671. The next prime is 83031485683. The reversal of 83031485672 is 27658413038.

It can be written as a sum of positive squares in 2 ways, for example, as 74700542596 + 8330943076 = 273314^2 + 91274^2 .

It is a super-2 number, since 2×83031485672² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83031485671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1215113 + ... + 1281624.

Almost surely, 2^83031485672 is an apocalyptic number.

It is an amenable number.

83031485672 is a deficient number, since it is larger than the sum of its proper divisors (72690063388).

83031485672 is a wasteful number, since it uses less digits than its factorization.

83031485672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500900 (or 2500896 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 83031485672 in words is "eighty-three billion, thirty-one million, four hundred eighty-five thousand, six hundred seventy-two".