85234802500 has 45 divisors (see below), whose sum is σ = 186423393387. Its totient is φ = 34088082000.

The previous prime is 85234802483. The next prime is 85234802557. The reversal of 85234802500 is 520843258.

The square root of 85234802500 is 291950.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 6682408516 + 78552393984 = 81746^2 + 280272^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85234802500.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 14594581 + ... + 14600419.

Almost surely, 2^85234802500 is an apocalyptic number.

85234802500 is the 291950-th square number.

It is an amenable number.

85234802500 is an abundant number, since it is smaller than the sum of its proper divisors (101188590887).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85234802500 is an frugal number, since it uses more digits than its factorization.

85234802500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11702 (or 5846 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 37.

The spelling of 85234802500 in words is "eighty-five billion, two hundred thirty-four million, eight hundred two thousand, five hundred".