85669632626 has 8 divisors (see below), whose sum is σ = 128663294940. Its totient is φ = 42781867648.

The previous prime is 85669632563. The next prime is 85669632661. The reversal of 85669632626 is 62623696658.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 75459540601 + 10210092025 = 274699^2 + 101045^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 26472311 + ... + 26475546.

Almost surely, 2^85669632626 is an apocalyptic number.

85669632626 is a deficient number, since it is larger than the sum of its proper divisors (42993662314).

85669632626 is a wasteful number, since it uses less digits than its factorization.

85669632626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52948668.

The product of its digits is 33592320, while the sum is 59.

The spelling of 85669632626 in words is "eighty-five billion, six hundred sixty-nine million, six hundred thirty-two thousand, six hundred twenty-six".