4890887056225 has 45 divisors (see below), whose sum is σ = 6223907979743. Its totient is φ = 3812615570880.

The previous prime is 4890887056213. The next prime is 4890887056243. The reversal of 4890887056225 is 5226507880984.

The square root of 4890887056225 is 2211535.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 2475685111761 + 2415201944464 = 1573431^2 + 1554092^2 .

It is not a de Polignac number, because 4890887056225 - 2⁹ = 4890887055713 is a prime.

It is a super-2 number, since 2×4890887056225² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 58926350034 + ... + 58926350116.

Almost surely, 2^{4890887056225} is an apocalyptic number.

4890887056225 is the 2211535-th square number.

4890887056225 is the 1105768-th centered octagonal number.

It is an amenable number.

4890887056225 is a deficient number, since it is larger than the sum of its proper divisors (1333020923518).

4890887056225 is an frugal number, since it uses more digits than its factorization.

4890887056225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 77414400, while the sum is 64.

Multiplying 4890887056225 by its sum of digits (64), we get a square (313016771598400 = 17692280²).

The spelling of 4890887056225 in words is "four trillion, eight hundred ninety billion, eight hundred eighty-seven million, fifty-six thousand, two hundred twenty-five".