22780377499 has 8 divisors (see below), whose sum is σ = 24959844720. Its totient is φ = 20618997600.

The previous prime is 22780377491. The next prime is 22780377509. The reversal of 22780377499 is 99477308722.

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

It is a cyclic number.

It is not a de Polignac number, because 22780377499 - 2³ = 22780377491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22780377491) 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, 4519192 + ... + 4524229.

It is an arithmetic number, because the mean of its divisors is an integer number (3119980590).

Almost surely, 2^22780377499 is an apocalyptic number.

22780377499 is a deficient number, since it is larger than the sum of its proper divisors (2179467221).

22780377499 is a wasteful number, since it uses less digits than its factorization.

22780377499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9043661.

The product of its (nonzero) digits is 10668672, while the sum is 58.

The spelling of 22780377499 in words is "twenty-two billion, seven hundred eighty million, three hundred seventy-seven thousand, four hundred ninety-nine".