77025433765492 has 6 divisors (see below), whose sum is σ = 134794509089618. Its totient is φ = 38512716882744.

The previous prime is 77025433765453. The next prime is 77025433765493. The reversal of 77025433765492 is 29456733452077.

It can be written as a sum of positive squares in only one way, i.e., 70013985214096 + 7011448551396 = 8367436^2 + 2647914^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77025433765493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9628179220683 + ... + 9628179220690.

Almost surely, 2^{77025433765492} is an apocalyptic number.

It is an amenable number.

77025433765492 is a deficient number, since it is larger than the sum of its proper divisors (57769075324126).

77025433765492 is a wasteful number, since it uses less digits than its factorization.

77025433765492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19256358441377 (or 19256358441375 counting only the distinct ones).

The product of its (nonzero) digits is 266716800, while the sum is 64.

The spelling of 77025433765492 in words is "seventy-seven trillion, twenty-five billion, four hundred thirty-three million, seven hundred sixty-five thousand, four hundred ninety-two".