83305077825 has 72 divisors (see below), whose sum is σ = 142644974304. Its totient is φ = 42897254400.

The previous prime is 83305077799. The next prime is 83305077833. The reversal of 83305077825 is 52877050338.

It is not a de Polignac number, because 83305077825 - 2¹⁰ = 83305076801 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 39423969 + ... + 39426081.

Almost surely, 2^83305077825 is an apocalyptic number.

It is an amenable number.

83305077825 is a deficient number, since it is larger than the sum of its proper divisors (59339896479).

83305077825 is a wasteful number, since it uses less digits than its factorization.

83305077825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2735 (or 2699 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 48.

The spelling of 83305077825 in words is "eighty-three billion, three hundred five million, seventy-seven thousand, eight hundred twenty-five".