83607572461 has 6 divisors (see below), whose sum is σ = 97257788430. Its totient is φ = 71663633496.

The previous prime is 83607572459. The next prime is 83607572563. The reversal of 83607572461 is 16427570638.

It can be written as a sum of positive squares in only one way, i.e., 73785573225 + 9821999236 = 271635^2 + 99106^2 .

It is not a de Polignac number, because 83607572461 - 2¹ = 83607572459 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49), and also a Moran number because the ratio is a prime number: 1706276989 = 83607572461 / (8 + 3 + 6 + 0 + 7 + 5 + 7 + 2 + 4 + 6 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83607572161) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 853138446 + ... + 853138543.

It is an arithmetic number, because the mean of its divisors is an integer number (16209631405).

Almost surely, 2^83607572461 is an apocalyptic number.

It is an amenable number.

83607572461 is a deficient number, since it is larger than the sum of its proper divisors (13650215969).

83607572461 is a wasteful number, since it uses less digits than its factorization.

83607572461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706277003 (or 1706276996 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 83607572461 in words is "eighty-three billion, six hundred seven million, five hundred seventy-two thousand, four hundred sixty-one".