84707427 has 24 divisors (see below), whose sum is σ = 132053952. Its totient is φ = 48157200.

The previous prime is 84707423. The next prime is 84707437. The reversal of 84707427 is 72470748.

It is not a de Polignac number, because 84707427 - 2² = 84707423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84707423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29652 + ... + 32382.

It is an arithmetic number, because the mean of its divisors is an integer number (5502248).

Almost surely, 2^84707427 is an apocalyptic number.

84707427 is a deficient number, since it is larger than the sum of its proper divisors (47346525).

84707427 is a wasteful number, since it uses less digits than its factorization.

84707427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2959 (or 2952 counting only the distinct ones).

The product of its (nonzero) digits is 87808, while the sum is 39.

The square root of 84707427 is about 9203.6637813427. The cubic root of 84707427 is about 439.1779192103.

The spelling of 84707427 in words is "eighty-four million, seven hundred seven thousand, four hundred twenty-seven".