85345624744 has 16 divisors (see below), whose sum is σ = 160497897300. Its totient is φ = 42546185472.

The previous prime is 85345624729. The next prime is 85345624757. The reversal of 85345624744 is 44742654358.

It can be written as a sum of positive squares in 2 ways, for example, as 81659920644 + 3685704100 = 285762^2 + 60710^2 .

It is a junction number, because it is equal to n+sod(n) for n = 85345624691 and 85345624700.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15825499 + ... + 15830890.

Almost surely, 2^85345624744 is an apocalyptic number.

It is an amenable number.

85345624744 is a deficient number, since it is larger than the sum of its proper divisors (75152272556).

85345624744 is a wasteful number, since it uses less digits than its factorization.

85345624744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31656732 (or 31656728 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 52.

The spelling of 85345624744 in words is "eighty-five billion, three hundred forty-five million, six hundred twenty-four thousand, seven hundred forty-four".