8868454220025 has 27 divisors (see below), whose sum is σ = 15884466901069. Its totient is φ = 4729818426720.

The previous prime is 8868454219973. The next prime is 8868454220029. The reversal of 8868454220025 is 5200224548688.

The square root of 8868454220025 is 2977995.

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

It can be written as a sum of positive squares in 4 ways, for example, as 875508921 + 8867578711104 = 29589^2 + 2977848^2 .

It is not a de Polignac number, because 8868454220025 - 2²⁵ = 8868420665593 is a prime.

It is a super-2 number, since 2×8868454220025² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8868454220029) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 44570659 + ... + 44769191.

Almost surely, 2^{8868454220025} is an apocalyptic number.

8868454220025 is the 2977995-th square number.

8868454220025 is the 1488998-th centered octagonal number.

It is an amenable number.

8868454220025 is a deficient number, since it is larger than the sum of its proper divisors (7016012681044).

8868454220025 is an frugal number, since it uses more digits than its factorization.

8868454220025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397082 (or 198541 counting only the distinct ones).

The product of its (nonzero) digits is 9830400, while the sum is 54.

The spelling of 8868454220025 in words is "eight trillion, eight hundred sixty-eight billion, four hundred fifty-four million, two hundred twenty thousand, twenty-five".