368940509877 has 4 divisors (see below), whose sum is σ = 491920679840. Its totient is φ = 245960339916.

The previous prime is 368940509869. The next prime is 368940509891. The reversal of 368940509877 is 778905049863.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 368940509877 - 2³ = 368940509869 is a prime.

It is a super-2 number, since 2×368940509877² (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 (368940509837) 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, 61490084977 + ... + 61490084982.

It is an arithmetic number, because the mean of its divisors is an integer number (122980169960).

Almost surely, 2^368940509877 is an apocalyptic number.

It is an amenable number.

368940509877 is a deficient number, since it is larger than the sum of its proper divisors (122980169963).

368940509877 is a wasteful number, since it uses less digits than its factorization.

368940509877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122980169962.

The product of its (nonzero) digits is 91445760, while the sum is 66.

The spelling of 368940509877 in words is "three hundred sixty-eight billion, nine hundred forty million, five hundred nine thousand, eight hundred seventy-seven".