84769769 has 12 divisors (see below), whose sum is σ = 102916224. Its totient is φ = 68384064.

The previous prime is 84769759. The next prime is 84769771. The reversal of 84769769 is 96796748.

It is not a de Polignac number, because 84769769 - 2¹² = 84765673 is a prime.

It is a super-2 number, since 2×84769769² = 14371827472626722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84769759) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18929 + ... + 22974.

It is an arithmetic number, because the mean of its divisors is an integer number (8576352).

Almost surely, 2^84769769 is an apocalyptic number.

It is an amenable number.

84769769 is a deficient number, since it is larger than the sum of its proper divisors (18146455).

84769769 is a wasteful number, since it uses less digits than its factorization.

84769769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41944 (or 41927 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 56.

The square root of 84769769 is about 9207.0499618499. The cubic root of 84769769 is about 439.2856331649.

The spelling of 84769769 in words is "eighty-four million, seven hundred sixty-nine thousand, seven hundred sixty-nine".