77357235514217 has 16 divisors (see below), whose sum is σ = 81528851120640. Its totient is φ = 73305139190400.

The previous prime is 77357235514193. The next prime is 77357235514277. The reversal of 77357235514217 is 71241553275377.

It is a cyclic number.

It is not a de Polignac number, because 77357235514217 - 2²² = 77357231319913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77357235514277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122647634 + ... + 123276747.

It is an arithmetic number, because the mean of its divisors is an integer number (5095553195040).

Almost surely, 2^{77357235514217} is an apocalyptic number.

It is an amenable number.

77357235514217 is a deficient number, since it is larger than the sum of its proper divisors (4171615606423).

77357235514217 is a wasteful number, since it uses less digits than its factorization.

77357235514217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245924624.

The product of its digits is 43218000, while the sum is 59.

The spelling of 77357235514217 in words is "seventy-seven trillion, three hundred fifty-seven billion, two hundred thirty-five million, five hundred fourteen thousand, two hundred seventeen".