84920907 has 4 divisors (see below), whose sum is σ = 113227880. Its totient is φ = 56613936.

The previous prime is 84920897. The next prime is 84920909. The reversal of 84920907 is 70902948.

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

It is not a de Polignac number, because 84920907 - 2⁸ = 84920651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84920909) 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, 14153482 + ... + 14153487.

It is an arithmetic number, because the mean of its divisors is an integer number (28306970).

Almost surely, 2^84920907 is an apocalyptic number.

84920907 is a deficient number, since it is larger than the sum of its proper divisors (28306973).

84920907 is a wasteful number, since it uses less digits than its factorization.

84920907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28306972.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 84920907 is about 9215.2540388206. The cubic root of 84920907 is about 439.5465490320.

The spelling of 84920907 in words is "eighty-four million, nine hundred twenty thousand, nine hundred seven".