84166797 has 16 divisors (see below), whose sum is σ = 131842368. Its totient is φ = 47086080.

The previous prime is 84166793. The next prime is 84166799. The reversal of 84166797 is 79766148.

It is not a de Polignac number, because 84166797 - 2² = 84166793 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84166793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97668 + ... + 98525.

It is an arithmetic number, because the mean of its divisors is an integer number (8240148).

Almost surely, 2^84166797 is an apocalyptic number.

It is an amenable number.

84166797 is a deficient number, since it is larger than the sum of its proper divisors (47675571).

84166797 is a wasteful number, since it uses less digits than its factorization.

84166797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196220.

The product of its digits is 508032, while the sum is 48.

The square root of 84166797 is about 9174.2463995687. The cubic root of 84166797 is about 438.2415995761.

The spelling of 84166797 in words is "eighty-four million, one hundred sixty-six thousand, seven hundred ninety-seven".