77315895007 has 12 divisors (see below), whose sum is σ = 83988297984. Its totient is φ = 71140455360.

The previous prime is 77315894993. The next prime is 77315895031. The reversal of 77315895007 is 70059851377.

It is not a de Polignac number, because 77315895007 - 2⁷ = 77315894879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77315895037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 677919 + ... + 783712.

It is an arithmetic number, because the mean of its divisors is an integer number (6999024832).

Almost surely, 2^77315895007 is an apocalyptic number.

77315895007 is a deficient number, since it is larger than the sum of its proper divisors (6672402977).

77315895007 is a wasteful number, since it uses less digits than its factorization.

77315895007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461970 (or 1461957 counting only the distinct ones).

The product of its (nonzero) digits is 1852200, while the sum is 52.

The spelling of 77315895007 in words is "seventy-seven billion, three hundred fifteen million, eight hundred ninety-five thousand, seven".