385672269677 has 4 divisors (see below), whose sum is σ = 385679003100. Its totient is φ = 385665536256.

The previous prime is 385672269617. The next prime is 385672269727. The reversal of 385672269677 is 776962276583.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3567792361 + 382104477316 = 59731^2 + 618146^2 .

It is a cyclic number.

It is not a de Polignac number, because 385672269677 - 2⁶ = 385672269613 is a prime.

It is a super-2 number, since 2×385672269677² (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 (385672269617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3280052 + ... + 3395597.

It is an arithmetic number, because the mean of its divisors is an integer number (96419750775).

Almost surely, 2^385672269677 is an apocalyptic number.

It is an amenable number.

385672269677 is a deficient number, since it is larger than the sum of its proper divisors (6733423).

385672269677 is an equidigital number, since it uses as much as digits as its factorization.

385672269677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6733422.

The product of its digits is 320060160, while the sum is 68.

The spelling of 385672269677 in words is "three hundred eighty-five billion, six hundred seventy-two million, two hundred sixty-nine thousand, six hundred seventy-seven".