77000756600 has 96 divisors (see below), whose sum is σ = 188735502000. Its totient is φ = 29134909440.

The previous prime is 77000756593. The next prime is 77000756611. The reversal of 77000756600 is 665700077.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2542346 + ... + 2572454.

Almost surely, 2^77000756600 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 77000756600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94367751000).

77000756600 is an abundant number, since it is smaller than the sum of its proper divisors (111734745400).

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

77000756600 is a wasteful number, since it uses less digits than its factorization.

77000756600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30817 (or 30808 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 38.

The spelling of 77000756600 in words is "seventy-seven billion, seven hundred fifty-six thousand, six hundred".