77348904776 has 64 divisors (see below), whose sum is σ = 170454775680. Its totient is φ = 32440596480.

The previous prime is 77348904749. The next prime is 77348904779. The reversal of 77348904776 is 67740984377.

It is a super-2 number, since 2×77348904776² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (77348904779) 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, 3026885 + ... + 3052331.

It is an arithmetic number, because the mean of its divisors is an integer number (2663355870).

Almost surely, 2^77348904776 is an apocalyptic number.

It is an amenable number.

77348904776 is an abundant number, since it is smaller than the sum of its proper divisors (93105870904).

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

77348904776 is a wasteful number, since it uses less digits than its factorization.

77348904776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28134 (or 28130 counting only the distinct ones).

The product of its (nonzero) digits is 49787136, while the sum is 62.

The spelling of 77348904776 in words is "seventy-seven billion, three hundred forty-eight million, nine hundred four thousand, seven hundred seventy-six".