238768722677 has 32 divisors (see below), whose sum is σ = 264544496640. Its totient is φ = 214539494400.

The previous prime is 238768722581. The next prime is 238768722719. The reversal of 238768722677 is 776227867832.

It is a cyclic number.

It is not a de Polignac number, because 238768722677 - 2²⁴ = 238751945461 is a prime.

It is a super-2 number, since 2×238768722677² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238768772677) 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, 20665052 + ... + 20676602.

It is an arithmetic number, because the mean of its divisors is an integer number (8267015520).

Almost surely, 2^238768722677 is an apocalyptic number.

It is an amenable number.

238768722677 is a deficient number, since it is larger than the sum of its proper divisors (25775773963).

238768722677 is a wasteful number, since it uses less digits than its factorization.

238768722677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12221.

The product of its digits is 132765696, while the sum is 65.

The spelling of 238768722677 in words is "two hundred thirty-eight billion, seven hundred sixty-eight million, seven hundred twenty-two thousand, six hundred seventy-seven".