9677800125 has 108 divisors (see below), whose sum is σ = 20342699676. Its totient is φ = 4413578400.

The previous prime is 9677800087. The next prime is 9677800151. The reversal of 9677800125 is 5210087769.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 309689604 + 9368110521 = 17598^2 + 96789^2 .

It is not a de Polignac number, because 9677800125 - 2⁸ = 9677799869 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 23097166 + ... + 23097584.

Almost surely, 2^9677800125 is an apocalyptic number.

It is an amenable number.

9677800125 is an abundant number, since it is smaller than the sum of its proper divisors (10664899551).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9677800125 is an equidigital number, since it uses as much as digits as its factorization.

9677800125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873 (or 434 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The square root of 9677800125 is about 98375.8106701032. The cubic root of 9677800125 is about 2131.0430155909.

Multiplying 9677800125 by its sum of digits (45), we get a square (435501005625 = 659925²).

9677800125 divided by its sum of digits (45) gives a square (215062225 = 14665²).

The spelling of 9677800125 in words is "nine billion, six hundred seventy-seven million, eight hundred thousand, one hundred twenty-five".