77041304825 has 24 divisors (see below), whose sum is σ = 97472165400. Its totient is φ = 60384130560.

The previous prime is 77041304789. The next prime is 77041304881. The reversal of 77041304825 is 52840314077.

It can be written as a sum of positive squares in 12 ways, for example, as 8143979536 + 68897325289 = 90244^2 + 262483^2 .

It is not a de Polignac number, because 77041304825 - 2³⁶ = 8321828089 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 898421 + ... + 980429.

It is an arithmetic number, because the mean of its divisors is an integer number (4061340225).

Almost surely, 2^77041304825 is an apocalyptic number.

It is an amenable number.

77041304825 is a deficient number, since it is larger than the sum of its proper divisors (20430860575).

77041304825 is a wasteful number, since it uses less digits than its factorization.

77041304825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82781 (or 82776 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 41.

The spelling of 77041304825 in words is "seventy-seven billion, forty-one million, three hundred four thousand, eight hundred twenty-five".