84267797 has 2 divisors, whose sum is σ = 84267798. Its totient is φ = 84267796.

The previous prime is 84267773. The next prime is 84267809. The reversal of 84267797 is 79776248.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51251281 + 33016516 = 7159^2 + 5746^2 .

It is a cyclic number.

It is not a de Polignac number, because 84267797 - 2⁸ = 84267541 is a prime.

It is a super-2 number, since 2×84267797² = 14202123222466418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84267767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42133898 + 42133899.

It is an arithmetic number, because the mean of its divisors is an integer number (42133899).

Almost surely, 2^84267797 is an apocalyptic number.

It is an amenable number.

84267797 is a deficient number, since it is larger than the sum of its proper divisors (1).

84267797 is an equidigital number, since it uses as much as digits as its factorization.

84267797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1185408, while the sum is 50.

The square root of 84267797 is about 9179.7492885155. The cubic root of 84267797 is about 438.4168258728.

The spelling of 84267797 in words is "eighty-four million, two hundred sixty-seven thousand, seven hundred ninety-seven".