84769739 has 4 divisors (see below), whose sum is σ = 85331280. Its totient is φ = 84208200.

The previous prime is 84769733. The next prime is 84769759. The reversal of 84769739 is 93796748.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84769739 - 2⁴ = 84769723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84769733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280544 + ... + 280845.

It is an arithmetic number, because the mean of its divisors is an integer number (21332820).

Almost surely, 2^84769739 is an apocalyptic number.

84769739 is a deficient number, since it is larger than the sum of its proper divisors (561541).

84769739 is a wasteful number, since it uses less digits than its factorization.

84769739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561540.

The product of its digits is 2286144, while the sum is 53.

The square root of 84769739 is about 9207.0483326634. The cubic root of 84769739 is about 439.2855813439.

The spelling of 84769739 in words is "eighty-four million, seven hundred sixty-nine thousand, seven hundred thirty-nine".