77770380114780 has 48 divisors (see below), whose sum is σ = 217783399858080. Its totient is φ = 20736259884288.

The previous prime is 77770380114689. The next prime is 77770380114821. The reversal of 77770380114780 is 8741108307777.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77879299 + ... + 78871578.

It is an arithmetic number, because the mean of its divisors is an integer number (4537154163710).

Almost surely, 2^{77770380114780} is an apocalyptic number.

It is an amenable number.

77770380114780 is an abundant number, since it is smaller than the sum of its proper divisors (140013019743300).

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

77770380114780 is a wasteful number, since it uses less digits than its factorization.

77770380114780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156759158 (or 156759156 counting only the distinct ones).

The product of its (nonzero) digits is 12907776, while the sum is 60.

The spelling of 77770380114780 in words is "seventy-seven trillion, seven hundred seventy billion, three hundred eighty million, one hundred fourteen thousand, seven hundred eighty".