77904853255660 has 48 divisors (see below), whose sum is σ = 163701849991680. Its totient is φ = 31142582896320.

The previous prime is 77904853255627. The next prime is 77904853255661. The reversal of 77904853255660 is 6655235840977.

It is not an unprimeable number, because it can be changed into a prime (77904853255661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252833971 + ... + 253141909.

It is an arithmetic number, because the mean of its divisors is an integer number (3410455208160).

Almost surely, 2^{77904853255660} is an apocalyptic number.

It is an amenable number.

77904853255660 is an abundant number, since it is smaller than the sum of its proper divisors (85796996736020).

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

77904853255660 is a wasteful number, since it uses less digits than its factorization.

77904853255660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315766 (or 315764 counting only the distinct ones).

The product of its (nonzero) digits is 381024000, while the sum is 67.

The spelling of 77904853255660 in words is "seventy-seven trillion, nine hundred four billion, eight hundred fifty-three million, two hundred fifty-five thousand, six hundred sixty".