77339693377 has 8 divisors (see below), whose sum is σ = 79106207616. Its totient is φ = 75578220432.

The previous prime is 77339693351. The next prime is 77339693383.

77339693377 is nontrivially palindromic in base 10.

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 77339693377 - 2²³ = 77331304769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77339693177) 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, 1229283 + ... + 1290664.

It is an arithmetic number, because the mean of its divisors is an integer number (9888275952).

Almost surely, 2^77339693377 is an apocalyptic number.

It is an amenable number.

77339693377 is a deficient number, since it is larger than the sum of its proper divisors (1766514239).

77339693377 is a wasteful number, since it uses less digits than its factorization.

77339693377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520647.

The product of its digits is 94517766, while the sum is 64.

The spelling of 77339693377 in words is "seventy-seven billion, three hundred thirty-nine million, six hundred ninety-three thousand, three hundred seventy-seven".