77032317501 has 12 divisors (see below), whose sum is σ = 111330367200. Its totient is φ = 51326510280.

The previous prime is 77032317469. The next prime is 77032317503. The reversal of 77032317501 is 10571323077.

It is not a de Polignac number, because 77032317501 - 2⁵ = 77032317469 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77032317503) 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, 2346801 + ... + 2379398.

It is an arithmetic number, because the mean of its divisors is an integer number (9277530600).

Almost surely, 2^77032317501 is an apocalyptic number.

It is an amenable number.

77032317501 is a deficient number, since it is larger than the sum of its proper divisors (34298049699).

77032317501 is a wasteful number, since it uses less digits than its factorization.

77032317501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4728016 (or 4728013 counting only the distinct ones).

The product of its (nonzero) digits is 30870, while the sum is 36.

The spelling of 77032317501 in words is "seventy-seven billion, thirty-two million, three hundred seventeen thousand, five hundred one".