77604225740 has 24 divisors (see below), whose sum is σ = 165731060880. Its totient is φ = 30515559488.

The previous prime is 77604225737. The next prime is 77604225749. The reversal of 77604225740 is 4752240677.

It is a junction number, because it is equal to n+sod(n) for n = 77604225691 and 77604225700.

It is not an unprimeable number, because it can be changed into a prime (77604225749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32881967 + ... + 32884326.

It is an arithmetic number, because the mean of its divisors is an integer number (6905460870).

Almost surely, 2^77604225740 is an apocalyptic number.

It is an amenable number.

77604225740 is an abundant number, since it is smaller than the sum of its proper divisors (88126835140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77604225740 is a wasteful number, since it uses less digits than its factorization.

77604225740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65766361 (or 65766359 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 44.

The spelling of 77604225740 in words is "seventy-seven billion, six hundred four million, two hundred twenty-five thousand, seven hundred forty".