775584056725 has 48 divisors (see below), whose sum is σ = 976615117632. Its totient is φ = 610935183360.

The previous prime is 775584056719. The next prime is 775584056729. The reversal of 775584056725 is 527650485577.

It is a happy number.

It is not a de Polignac number, because 775584056725 - 2³ = 775584056717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (775584056729) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 509246814 + ... + 509248336.

It is an arithmetic number, because the mean of its divisors is an integer number (20346148284).

Almost surely, 2^775584056725 is an apocalyptic number.

It is an amenable number.

775584056725 is a deficient number, since it is larger than the sum of its proper divisors (201031060907).

775584056725 is a wasteful number, since it uses less digits than its factorization.

775584056725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2566 (or 2561 counting only the distinct ones).

The product of its (nonzero) digits is 82320000, while the sum is 61.

The spelling of 775584056725 in words is "seven hundred seventy-five billion, five hundred eighty-four million, fifty-six thousand, seven hundred twenty-five".