84512632690 has 16 divisors (see below), whose sum is σ = 152138467800. Its totient is φ = 33801557760.

The previous prime is 84512632657. The next prime is 84512632751. The reversal of 84512632690 is 9623621548.

It can be written as a sum of positive squares in 4 ways, for example, as 64845094609 + 19667538081 = 254647^2 + 140241^2 .

It is a super-2 number, since 2×84512632690² (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 84512632690.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334215 + ... + 529834.

Almost surely, 2^84512632690 is an apocalyptic number.

84512632690 is a deficient number, since it is larger than the sum of its proper divisors (67625835110).

84512632690 is a wasteful number, since it uses less digits than its factorization.

84512632690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873837.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 84512632690 in words is "eighty-four billion, five hundred twelve million, six hundred thirty-two thousand, six hundred ninety".