77376619008 has 1280 divisors, whose sum is σ = 290381414400. Its totient is φ = 20065812480.

The previous prime is 77376618983. The next prime is 77376619069. The reversal of 77376619008 is 80091667377.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1799456235 + ... + 1799456277.

It is an arithmetic number, because the mean of its divisors is an integer number (226860480).

Almost surely, 2^77376619008 is an apocalyptic number.

77376619008 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77376619008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145190707200).

77376619008 is an abundant number, since it is smaller than the sum of its proper divisors (213004795392).

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

77376619008 is a wasteful number, since it uses less digits than its factorization.

77376619008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 54.

The spelling of 77376619008 in words is "seventy-seven billion, three hundred seventy-six million, six hundred nineteen thousand, eight".