84306611572 has 12 divisors (see below), whose sum is σ = 147554548036. Its totient is φ = 42148169280.

The previous prime is 84306611567. The next prime is 84306611591. The reversal of 84306611572 is 27511660348.

It can be written as a sum of positive squares in 2 ways, for example, as 5881969636 + 78424641936 = 76694^2 + 280044^2 .

It is a super-2 number, since 2×84306611572² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1247079 + ... + 1312942.

Almost surely, 2^84306611572 is an apocalyptic number.

It is an amenable number.

84306611572 is a deficient number, since it is larger than the sum of its proper divisors (63247936464).

84306611572 is a wasteful number, since it uses less digits than its factorization.

84306611572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568258 (or 2568256 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 84306611572 in words is "eighty-four billion, three hundred six million, six hundred eleven thousand, five hundred seventy-two".