77776707040 has 48 divisors (see below), whose sum is σ = 184171993488. Its totient is φ = 31038806016.

The previous prime is 77776707037. The next prime is 77776707053. The reversal of 77776707040 is 4070767777.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492042 + ... + 630601.

It is an arithmetic number, because the mean of its divisors is an integer number (3836916531).

Almost surely, 2^77776707040 is an apocalyptic number.

It is an amenable number.

77776707040 is an abundant number, since it is smaller than the sum of its proper divisors (106395286448).

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

77776707040 is a wasteful number, since it uses less digits than its factorization.

77776707040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123091 (or 1123083 counting only the distinct ones).

The product of its (nonzero) digits is 2823576, while the sum is 52.

The spelling of 77776707040 in words is "seventy-seven billion, seven hundred seventy-six million, seven hundred seven thousand, forty".