83678207 has 4 divisors (see below), whose sum is σ = 86377536. Its totient is φ = 80978880.

The previous prime is 83678191. The next prime is 83678239. The reversal of 83678207 is 70287638.

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 83678207 - 2⁴ = 83678191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83678407) 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, 1349618 + ... + 1349679.

It is an arithmetic number, because the mean of its divisors is an integer number (21594384).

Almost surely, 2^83678207 is an apocalyptic number.

83678207 is a deficient number, since it is larger than the sum of its proper divisors (2699329).

83678207 is a wasteful number, since it uses less digits than its factorization.

83678207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2699328.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 83678207 is about 9147.5792972786. The cubic root of 83678207 is about 437.3919528558.

The spelling of 83678207 in words is "eighty-three million, six hundred seventy-eight thousand, two hundred seven".