84076257 has 4 divisors (see below), whose sum is σ = 112101680. Its totient is φ = 56050836.

The previous prime is 84076241. The next prime is 84076277. The reversal of 84076257 is 75267048.

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 not a de Polignac number, because 84076257 - 2⁴ = 84076241 is a prime.

It is a super-2 number, since 2×84076257² = 14137633982260098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84076277) 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, 14012707 + ... + 14012712.

It is an arithmetic number, because the mean of its divisors is an integer number (28025420).

Almost surely, 2^84076257 is an apocalyptic number.

It is an amenable number.

84076257 is a deficient number, since it is larger than the sum of its proper divisors (28025423).

84076257 is a wasteful number, since it uses less digits than its factorization.

84076257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28025422.

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 84076257 is about 9169.3106065832. The cubic root of 84076257 is about 438.0844012827.

The spelling of 84076257 in words is "eighty-four million, seventy-six thousand, two hundred fifty-seven".