107767790785225 has 24 divisors (see below), whose sum is σ = 135011746868768. Its totient is φ = 85324139251200.

The previous prime is 107767790785163. The next prime is 107767790785229. The reversal of 107767790785225 is 522587097767701.

It is not a de Polignac number, because 107767790785225 - 2³¹ = 107765643301577 is a prime.

It is a super-2 number, since 2×107767790785225² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107767790785229) 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, 180633862 + ... + 181229488.

Almost surely, 2^{107767790785225} is an apocalyptic number.

It is an amenable number.

107767790785225 is a deficient number, since it is larger than the sum of its proper divisors (27243956083543).

107767790785225 is an equidigital number, since it uses as much as digits as its factorization.

107767790785225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670345 (or 670340 counting only the distinct ones).

The product of its (nonzero) digits is 726062400, while the sum is 73.

The spelling of 107767790785225 in words is "one hundred seven trillion, seven hundred sixty-seven billion, seven hundred ninety million, seven hundred eighty-five thousand, two hundred twenty-five".