84877273 has 4 divisors (see below), whose sum is σ = 91406308. Its totient is φ = 78348240.

The previous prime is 84877267. The next prime is 84877279. The reversal of 84877273 is 37277848.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (84877267) and next prime (84877279).

It can be written as a sum of positive squares in 2 ways, for example, as 18731584 + 66145689 = 4328^2 + 8133^2 .

It is a cyclic number.

It is not a de Polignac number, because 84877273 - 2⁹ = 84876761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84877279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3264498 + ... + 3264523.

It is an arithmetic number, because the mean of its divisors is an integer number (22851577).

Almost surely, 2^84877273 is an apocalyptic number.

It is an amenable number.

84877273 is a deficient number, since it is larger than the sum of its proper divisors (6529035).

84877273 is a wasteful number, since it uses less digits than its factorization.

84877273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6529034.

The product of its digits is 526848, while the sum is 46.

The square root of 84877273 is about 9212.8862469912. The cubic root of 84877273 is about 439.4712536361.

The spelling of 84877273 in words is "eighty-four million, eight hundred seventy-seven thousand, two hundred seventy-three".