22378744251087 has 8 divisors (see below), whose sum is σ = 34100943620736. Its totient is φ = 12787853857752.

The previous prime is 22378744251077. The next prime is 22378744251119. The reversal of 22378744251087 is 78015244787322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22378744251087 - 2⁸ = 22378744250831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22378744251087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22378744251077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532827244053 + ... + 532827244094.

It is an arithmetic number, because the mean of its divisors is an integer number (4262617952592).

Almost surely, 2^{22378744251087} is an apocalyptic number.

22378744251087 is a deficient number, since it is larger than the sum of its proper divisors (11722199369649).

22378744251087 is a wasteful number, since it uses less digits than its factorization.

22378744251087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065654488157.

The product of its (nonzero) digits is 42147840, while the sum is 60.

The spelling of 22378744251087 in words is "twenty-two trillion, three hundred seventy-eight billion, seven hundred forty-four million, two hundred fifty-one thousand, eighty-seven".