780420102225 has 96 divisors (see below), whose sum is σ = 1310075387904. Its totient is φ = 409905619200.

The previous prime is 780420102223. The next prime is 780420102233. The reversal of 780420102225 is 522201024087.

780420102225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 780420102225 - 2¹ = 780420102223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (780420102221) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1195129999 + ... + 1195130651.

It is an arithmetic number, because the mean of its divisors is an integer number (13646618624).

Almost surely, 2^780420102225 is an apocalyptic number.

780420102225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

780420102225 is a deficient number, since it is larger than the sum of its proper divisors (529655285679).

780420102225 is a wasteful number, since it uses less digits than its factorization.

780420102225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527 (or 1522 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 33.

The spelling of 780420102225 in words is "seven hundred eighty billion, four hundred twenty million, one hundred two thousand, two hundred twenty-five".