23092987878 has 24 divisors (see below), whose sum is σ = 50037858000. Its totient is φ = 7697193264.

The previous prime is 23092987877. The next prime is 23092987927. The reversal of 23092987878 is 87878929032.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23092987871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 393768 + ... + 448596.

It is an arithmetic number, because the mean of its divisors is an integer number (2084910750).

Almost surely, 2^23092987878 is an apocalyptic number.

23092987878 is an abundant number, since it is smaller than the sum of its proper divisors (26944870122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23092987878 is a wasteful number, since it uses less digits than its factorization.

23092987878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78236 (or 78233 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 63.

The spelling of 23092987878 in words is "twenty-three billion, ninety-two million, nine hundred eighty-seven thousand, eight hundred seventy-eight".