83709901 has 8 divisors (see below), whose sum is σ = 92476800. Its totient is φ = 75135840.

The previous prime is 83709883. The next prime is 83709907. The reversal of 83709901 is 10990738.

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

It is a cyclic number.

It is not a de Polignac number, because 83709901 - 2⁵ = 83709869 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 (83709907) 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, 47296 + ... + 49033.

It is an arithmetic number, because the mean of its divisors is an integer number (11559600).

Almost surely, 2^83709901 is an apocalyptic number.

It is an amenable number.

83709901 is a deficient number, since it is larger than the sum of its proper divisors (8766899).

83709901 is a wasteful number, since it uses less digits than its factorization.

83709901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96419.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 83709901 is about 9149.3115041516. The cubic root of 83709901 is about 437.4471681510.

The spelling of 83709901 in words is "eighty-three million, seven hundred nine thousand, nine hundred one".