83466099025 has 9 divisors (see below), whose sum is σ = 103499754033. Its totient is φ = 66771723600.

The previous prime is 83466098983. The next prime is 83466099047. The reversal of 83466099025 is 52099066438.

The square root of 83466099025 is 288905.

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 2728286289 + 80737812736 = 52233^2 + 284144^2 .

It is not a de Polignac number, because 83466099025 - 2¹⁹ = 83465574737 is a prime.

It is a super-2 number, since 2×83466099025² (a number of 23 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 8 ways as a sum of consecutive naturals, for example, 1415635 + ... + 1473415.

Almost surely, 2^83466099025 is an apocalyptic number.

83466099025 is the 288905-th square number.

83466099025 is the 144453-rd centered octagonal number.

It is an amenable number.

83466099025 is a deficient number, since it is larger than the sum of its proper divisors (20033655008).

83466099025 is an frugal number, since it uses more digits than its factorization.

83466099025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115572 (or 57786 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 83466099025 in words is "eighty-three billion, four hundred sixty-six million, ninety-nine thousand, twenty-five".