65772196078425 has 24 divisors (see below), whose sum is σ = 112493135365440. Its totient is φ = 33868900968000.

The previous prime is 65772196078331. The next prime is 65772196078427. The reversal of 65772196078425 is 52487069127756.

It is not a de Polignac number, because 65772196078425 - 2⁷ = 65772196078297 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 65772196078425.

It is not an unprimeable number, because it can be changed into a prime (65772196078427) 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, 15120042901 + ... + 15120047250.

It is an arithmetic number, because the mean of its divisors is an integer number (4687213973560).

Almost surely, 2^{65772196078425} is an apocalyptic number.

It is an amenable number.

65772196078425 is a deficient number, since it is larger than the sum of its proper divisors (46720939287015).

65772196078425 is a wasteful number, since it uses less digits than its factorization.

65772196078425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30240090193 (or 30240090188 counting only the distinct ones).

The product of its (nonzero) digits is 355622400, while the sum is 69.

The spelling of 65772196078425 in words is "sixty-five trillion, seven hundred seventy-two billion, one hundred ninety-six million, seventy-eight thousand, four hundred twenty-five".