84197793 has 4 divisors (see below), whose sum is σ = 112263728. Its totient is φ = 56131860.

The previous prime is 84197783. The next prime is 84197819. The reversal of 84197793 is 39779148.

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 84197793 - 2⁸ = 84197537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84197713) 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, 14032963 + ... + 14032968.

It is an arithmetic number, because the mean of its divisors is an integer number (28065932).

Almost surely, 2^84197793 is an apocalyptic number.

It is an amenable number.

84197793 is a deficient number, since it is larger than the sum of its proper divisors (28065935).

84197793 is a wasteful number, since it uses less digits than its factorization.

84197793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28065934.

The product of its digits is 381024, while the sum is 48.

The square root of 84197793 is about 9175.9355381345. The cubic root of 84197793 is about 438.2953898670.

The spelling of 84197793 in words is "eighty-four million, one hundred ninety-seven thousand, seven hundred ninety-three".