23277761209 has 16 divisors (see below), whose sum is σ = 24380824320. Its totient is φ = 22196462400.

The previous prime is 23277761201. The next prime is 23277761219. The reversal of 23277761209 is 90216777232.

It is a cyclic number.

It is not a de Polignac number, because 23277761209 - 2³ = 23277761201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23277761201) 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, 742204 + ... + 772930.

It is an arithmetic number, because the mean of its divisors is an integer number (1523801520).

Almost surely, 2^23277761209 is an apocalyptic number.

23277761209 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

23277761209 is a deficient number, since it is larger than the sum of its proper divisors (1103063111).

23277761209 is a wasteful number, since it uses less digits than its factorization.

23277761209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31080.

The product of its (nonzero) digits is 444528, while the sum is 46.

The spelling of 23277761209 in words is "twenty-three billion, two hundred seventy-seven million, seven hundred sixty-one thousand, two hundred nine".