77354923917 has 8 divisors (see below), whose sum is σ = 105538501024. Its totient is φ = 50370648048.

The previous prime is 77354923871. The next prime is 77354923957. The reversal of 77354923917 is 71932945377.

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

It is not a de Polignac number, because 77354923917 - 2⁸ = 77354923661 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 (77354923957) 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, 299825158 + ... + 299825415.

It is an arithmetic number, because the mean of its divisors is an integer number (13192312628).

Almost surely, 2^77354923917 is an apocalyptic number.

It is an amenable number.

77354923917 is a deficient number, since it is larger than the sum of its proper divisors (28183577107).

77354923917 is a wasteful number, since it uses less digits than its factorization.

77354923917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599650619.

The product of its digits is 10001880, while the sum is 57.

The spelling of 77354923917 in words is "seventy-seven billion, three hundred fifty-four million, nine hundred twenty-three thousand, nine hundred seventeen".