77393388339377 has 32 divisors (see below), whose sum is σ = 88984953851904. Its totient is φ = 66622769752000.

The previous prime is 77393388339367. The next prime is 77393388339413.

77393388339377 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 77393388339377 - 2²⁰ = 77393387290801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77393388339367) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181903748 + ... + 182328714.

It is an arithmetic number, because the mean of its divisors is an integer number (2780779807872).

Almost surely, 2^{77393388339377} is an apocalyptic number.

It is an amenable number.

77393388339377 is a deficient number, since it is larger than the sum of its proper divisors (11591565512527).

77393388339377 is a wasteful number, since it uses less digits than its factorization.

77393388339377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432229.

The product of its digits is 9073705536, while the sum is 80.

The spelling of 77393388339377 in words is "seventy-seven trillion, three hundred ninety-three billion, three hundred eighty-eight million, three hundred thirty-nine thousand, three hundred seventy-seven".