77225004160025 has 12 divisors (see below), whose sum is σ = 95820428558400. Its totient is φ = 61740375328080.

The previous prime is 77225004160013. The next prime is 77225004160049. The reversal of 77225004160025 is 52006140052277.

It is not a de Polignac number, because 77225004160025 - 2¹⁰ = 77225004159001 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 990660245 + ... + 990738194.

It is an arithmetic number, because the mean of its divisors is an integer number (7985035713200).

Almost surely, 2^{77225004160025} is an apocalyptic number.

It is an amenable number.

77225004160025 is a deficient number, since it is larger than the sum of its proper divisors (18595424398375).

77225004160025 is a wasteful number, since it uses less digits than its factorization.

77225004160025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981400008 (or 1981400003 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 41.

The spelling of 77225004160025 in words is "seventy-seven trillion, two hundred twenty-five billion, four million, one hundred sixty thousand, twenty-five".