76756777140 has 192 divisors, whose sum is σ = 226622914560. Its totient is φ = 19373713920.

The previous prime is 76756777133. The next prime is 76756777159. The reversal of 76756777140 is 4177765767.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 62454046 + ... + 62455274.

It is an arithmetic number, because the mean of its divisors is an integer number (1180327680).

Almost surely, 2^76756777140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76756777140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113311457280).

76756777140 is an abundant number, since it is smaller than the sum of its proper divisors (149866137420).

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

76756777140 is a wasteful number, since it uses less digits than its factorization.

76756777140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702 (or 1700 counting only the distinct ones).

The product of its (nonzero) digits is 12101040, while the sum is 57.

The spelling of 76756777140 in words is "seventy-six billion, seven hundred fifty-six million, seven hundred seventy-seven thousand, one hundred forty".