77928701313 has 8 divisors (see below), whose sum is σ = 107487864000. Its totient is φ = 50161003088.

The previous prime is 77928701311. The next prime is 77928701363. The reversal of 77928701313 is 31310782977.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 77928701313 - 2¹ = 77928701311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77928701311) 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, 447866013 + ... + 447866186.

It is an arithmetic number, because the mean of its divisors is an integer number (13435983000).

Almost surely, 2^77928701313 is an apocalyptic number.

It is an amenable number.

77928701313 is a deficient number, since it is larger than the sum of its proper divisors (29559162687).

77928701313 is a wasteful number, since it uses less digits than its factorization.

77928701313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895732231.

The product of its (nonzero) digits is 444528, while the sum is 48.

The spelling of 77928701313 in words is "seventy-seven billion, nine hundred twenty-eight million, seven hundred one thousand, three hundred thirteen".