77084616940 has 24 divisors (see below), whose sum is σ = 162153491472. Its totient is φ = 30781314240.

The previous prime is 77084616911. The next prime is 77084616943. The reversal of 77084616940 is 4961648077.

It is not an unprimeable number, because it can be changed into a prime (77084616943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3271251 + ... + 3294730.

It is an arithmetic number, because the mean of its divisors is an integer number (6756395478).

Almost surely, 2^77084616940 is an apocalyptic number.

It is an amenable number.

77084616940 is an abundant number, since it is smaller than the sum of its proper divisors (85068874532).

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

77084616940 is a wasteful number, since it uses less digits than its factorization.

77084616940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6566577 (or 6566575 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 77084616940 in words is "seventy-seven billion, eighty-four million, six hundred sixteen thousand, nine hundred forty".