84009734297 has 4 divisors (see below), whose sum is σ = 88431299280. Its totient is φ = 79588169316.

The previous prime is 84009734261. The next prime is 84009734321. The reversal of 84009734297 is 79243790048.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84009734297 - 2⁶ = 84009734233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84009734227) 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, 2210782463 + ... + 2210782500.

It is an arithmetic number, because the mean of its divisors is an integer number (22107824820).

Almost surely, 2^84009734297 is an apocalyptic number.

It is an amenable number.

84009734297 is a deficient number, since it is larger than the sum of its proper divisors (4421564983).

84009734297 is a wasteful number, since it uses less digits than its factorization.

84009734297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4421564982.

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 84009734297 in words is "eighty-four billion, nine million, seven hundred thirty-four thousand, two hundred ninety-seven".