625423777775422 has 8 divisors (see below), whose sum is σ = 938136650458896. Its totient is φ = 312711560955792.

The previous prime is 625423777775387. The next prime is 625423777775429. The reversal of 625423777775422 is 224577777324526.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625423777775429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161575018 + ... + 165400525.

It is an arithmetic number, because the mean of its divisors is an integer number (117267081307362).

Almost surely, 2^{625423777775422} is an apocalyptic number.

625423777775422 is a deficient number, since it is larger than the sum of its proper divisors (312712872683474).

625423777775422 is a wasteful number, since it uses less digits than its factorization.

625423777775422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327931922.

The product of its digits is 1936166400, while the sum is 70.

The spelling of 625423777775422 in words is "six hundred twenty-five trillion, four hundred twenty-three billion, seven hundred seventy-seven million, seven hundred seventy-five thousand, four hundred twenty-two".