84497907 has 8 divisors (see below), whose sum is σ = 121330384. Its totient is φ = 51998688.

The previous prime is 84497893. The next prime is 84497923. The reversal of 84497907 is 70979448.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84497907 - 2¹⁰ = 84496883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84497927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1083268 + ... + 1083345.

It is an arithmetic number, because the mean of its divisors is an integer number (15166298).

Almost surely, 2^84497907 is an apocalyptic number.

84497907 is a deficient number, since it is larger than the sum of its proper divisors (36832477).

84497907 is a wasteful number, since it uses less digits than its factorization.

84497907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166629.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 84497907 is about 9192.2743105284. The cubic root of 84497907 is about 438.8155246656.

The spelling of 84497907 in words is "eighty-four million, four hundred ninety-seven thousand, nine hundred seven".