94780858225 has 27 divisors (see below), whose sum is σ = 119438564427. Its totient is φ = 74611698480.

The previous prime is 94780858219. The next prime is 94780858243. The reversal of 94780858225 is 52285808749.

The square root of 94780858225 is 307865.

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

It can be written as a sum of positive squares in only one way, i.e., 34121108961 + 60659749264 = 184719^2 + 246292^2 .

It is a de Polignac number, because none of the positive numbers 2^k-94780858225 is a prime.

It is a super-2 number, since 2×94780858225² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 94780858225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 103134316 + ... + 103135234.

Almost surely, 2^94780858225 is an apocalyptic number.

94780858225 is the 307865-th square number.

94780858225 is the 153933-rd centered octagonal number.

It is an amenable number.

94780858225 is a deficient number, since it is larger than the sum of its proper divisors (24657706202).

94780858225 is an frugal number, since it uses more digits than its factorization.

94780858225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982 (or 991 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 58.

The spelling of 94780858225 in words is "ninety-four billion, seven hundred eighty million, eight hundred fifty-eight thousand, two hundred twenty-five".