84469797 has 10 divisors (see below), whose sum is σ = 126183398. Its totient is φ = 56313144.

The previous prime is 84469793. The next prime is 84469807. The reversal of 84469797 is 79796448.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 83283876 + 1185921 = 9126^2 + 1089^2 .

It is not a de Polignac number, because 84469797 - 2² = 84469793 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 (84469793) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 521338 + ... + 521499.

Almost surely, 2^84469797 is an apocalyptic number.

It is an amenable number.

84469797 is a deficient number, since it is larger than the sum of its proper divisors (41713601).

84469797 is a wasteful number, since it uses less digits than its factorization.

84469797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042849 (or 1042840 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 84469797 is about 9190.7451819752. The cubic root of 84469797 is about 438.7668588744.

The spelling of 84469797 in words is "eighty-four million, four hundred sixty-nine thousand, seven hundred ninety-seven".