77283441425 has 12 divisors (see below), whose sum is σ = 97181208576. Its totient is φ = 60955952400.

The previous prime is 77283441419. The next prime is 77283441437. The reversal of 77283441425 is 52414438277.

It is not a de Polignac number, because 77283441425 - 2²⁰ = 77282392849 is a prime.

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 77283441425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21768209 + ... + 21771758.

It is an arithmetic number, because the mean of its divisors is an integer number (8098434048).

Almost surely, 2^77283441425 is an apocalyptic number.

It is an amenable number.

77283441425 is a deficient number, since it is larger than the sum of its proper divisors (19897767151).

77283441425 is a wasteful number, since it uses less digits than its factorization.

77283441425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43540048 (or 43540043 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 47.

The spelling of 77283441425 in words is "seventy-seven billion, two hundred eighty-three million, four hundred forty-one thousand, four hundred twenty-five".