83427707 has 4 divisors (see below), whose sum is σ = 91012056. Its totient is φ = 75843360.

The previous prime is 83427703. The next prime is 83427709. The reversal of 83427707 is 70772438.

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 83427707 - 2² = 83427703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83427703) 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, 3792158 + ... + 3792179.

It is an arithmetic number, because the mean of its divisors is an integer number (22753014).

Almost surely, 2^83427707 is an apocalyptic number.

83427707 is a deficient number, since it is larger than the sum of its proper divisors (7584349).

83427707 is a wasteful number, since it uses less digits than its factorization.

83427707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7584348.

The product of its (nonzero) digits is 65856, while the sum is 38.

The square root of 83427707 is about 9133.8768877186. The cubic root of 83427707 is about 436.9550561469.

The spelling of 83427707 in words is "eighty-three million, four hundred twenty-seven thousand, seven hundred seven".