84884797 has 8 divisors (see below), whose sum is σ = 85995000. Its totient is φ = 83779584.

The previous prime is 84884783. The next prime is 84884819. The reversal of 84884797 is 79748848.

It can be written as a sum of positive squares in 4 ways, for example, as 26071236 + 58813561 = 5106^2 + 7669^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84884797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84884707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42579 + ... + 44527.

It is an arithmetic number, because the mean of its divisors is an integer number (10749375).

Almost surely, 2^84884797 is an apocalyptic number.

It is an amenable number.

84884797 is a deficient number, since it is larger than the sum of its proper divisors (1110203).

84884797 is a wasteful number, since it uses less digits than its factorization.

84884797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2495.

The product of its digits is 3612672, while the sum is 55.

The square root of 84884797 is about 9213.2945790309. The cubic root of 84884797 is about 439.4842389889.

The spelling of 84884797 in words is "eighty-four million, eight hundred eighty-four thousand, seven hundred ninety-seven".