525097778163 has 24 divisors (see below), whose sum is σ = 849847696128. Its totient is φ = 287009963856.

The previous prime is 525097778147. The next prime is 525097778167. The reversal of 525097778163 is 361877790525.

It is a happy number.

It is not a de Polignac number, because 525097778163 - 2⁴ = 525097778147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 525097778097 and 525097778106.

It is not an unprimeable number, because it can be changed into a prime (525097778167) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77650831 + ... + 77657592.

It is an arithmetic number, because the mean of its divisors is an integer number (35410320672).

Almost surely, 2^525097778163 is an apocalyptic number.

525097778163 is a deficient number, since it is larger than the sum of its proper divisors (324749917965).

525097778163 is a wasteful number, since it uses less digits than its factorization.

525097778163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155308463 (or 155308456 counting only the distinct ones).

The product of its (nonzero) digits is 22226400, while the sum is 60.

The spelling of 525097778163 in words is "five hundred twenty-five billion, ninety-seven million, seven hundred seventy-eight thousand, one hundred sixty-three".