22978672071 has 4 divisors (see below), whose sum is σ = 30638229432. Its totient is φ = 15319114712.

The previous prime is 22978672069. The next prime is 22978672091. The reversal of 22978672071 is 17027687922.

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

It is a cyclic number.

It is not a de Polignac number, because 22978672071 - 2¹ = 22978672069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22978672091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3829778676 + ... + 3829778681.

It is an arithmetic number, because the mean of its divisors is an integer number (7659557358).

Almost surely, 2^22978672071 is an apocalyptic number.

22978672071 is a deficient number, since it is larger than the sum of its proper divisors (7659557361).

22978672071 is an equidigital number, since it uses as much as digits as its factorization.

22978672071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7659557360.

The product of its (nonzero) digits is 1185408, while the sum is 51.

The spelling of 22978672071 in words is "twenty-two billion, nine hundred seventy-eight million, six hundred seventy-two thousand, seventy-one".