22961000078 has 32 divisors (see below), whose sum is σ = 35438515200. Its totient is φ = 11151334656.

The previous prime is 22961000021. The next prime is 22961000081. The reversal of 22961000078 is 87000016922.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14540693 + ... + 14542271.

It is an arithmetic number, because the mean of its divisors is an integer number (1107453600).

Almost surely, 2^22961000078 is an apocalyptic number.

22961000078 is a deficient number, since it is larger than the sum of its proper divisors (12477515122).

22961000078 is a wasteful number, since it uses less digits than its factorization.

22961000078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2456.

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 22961000078 in words is "twenty-two billion, nine hundred sixty-one million, seventy-eight", and thus it is an aban number.