3977319466225 has 60 divisors (see below), whose sum is σ = 5757375996416. Its totient is φ = 2725473774240.

The previous prime is 3977319466207. The next prime is 3977319466231. The reversal of 3977319466225 is 5226649137793.

It is not a de Polignac number, because 3977319466225 - 2¹³ = 3977319458033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 92597104 + ... + 92640046.

Almost surely, 2^{3977319466225} is an apocalyptic number.

3977319466225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3977319466225 is a deficient number, since it is larger than the sum of its proper divisors (1780056530191).

3977319466225 is an equidigital number, since it uses as much as digits as its factorization.

3977319466225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44524 (or 44498 counting only the distinct ones).

The product of its digits is 102876480, while the sum is 64.

The spelling of 3977319466225 in words is "three trillion, nine hundred seventy-seven billion, three hundred nineteen million, four hundred sixty-six thousand, two hundred twenty-five".