84076281 has 12 divisors (see below), whose sum is σ = 124406100. Its totient is φ = 54683520.

The previous prime is 84076277. The next prime is 84076297. The reversal of 84076281 is 18267048.

It can be written as a sum of positive squares in 2 ways, for example, as 7338681 + 76737600 = 2709^2 + 8760^2 .

It is not a de Polignac number, because 84076281 - 2² = 84076277 is a prime.

It is a super-2 number, since 2×84076281² = 14137642053581922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84076211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113556 + ... + 114293.

It is an arithmetic number, because the mean of its divisors is an integer number (10367175).

Almost surely, 2^84076281 is an apocalyptic number.

It is an amenable number.

84076281 is a deficient number, since it is larger than the sum of its proper divisors (40329819).

84076281 is a wasteful number, since it uses less digits than its factorization.

84076281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227896 (or 227893 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 84076281 is about 9169.3119152966. The cubic root of 84076281 is about 438.0844429672.

The spelling of 84076281 in words is "eighty-four million, seventy-six thousand, two hundred eighty-one".