84253277 has 4 divisors (see below), whose sum is σ = 88687680. Its totient is φ = 79818876.

The previous prime is 84253271. The next prime is 84253303. The reversal of 84253277 is 77235248.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84253277 - 2⁸ = 84253021 is a prime.

It is a super-2 number, since 2×84253277² = 14197229370477458, which 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 84253277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84253271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2217173 + ... + 2217210.

It is an arithmetic number, because the mean of its divisors is an integer number (22171920).

Almost surely, 2^84253277 is an apocalyptic number.

It is an amenable number.

84253277 is a deficient number, since it is larger than the sum of its proper divisors (4434403).

84253277 is a wasteful number, since it uses less digits than its factorization.

84253277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4434402.

The product of its digits is 94080, while the sum is 38.

The square root of 84253277 is about 9178.9583831718. The cubic root of 84253277 is about 438.3916435445.

The spelling of 84253277 in words is "eighty-four million, two hundred fifty-three thousand, two hundred seventy-seven".