83138797 has 8 divisors (see below), whose sum is σ = 95996096. Its totient is φ = 70526592.

The previous prime is 83138777. The next prime is 83138801. The reversal of 83138797 is 79783138.

It is a happy number.

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 83138797 - 2²³ = 74750189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83138707) 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, 60543 + ... + 61900.

It is an arithmetic number, because the mean of its divisors is an integer number (11999512).

Almost surely, 2^83138797 is an apocalyptic number.

It is an amenable number.

83138797 is a deficient number, since it is larger than the sum of its proper divisors (12857299).

83138797 is a wasteful number, since it uses less digits than its factorization.

83138797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122547.

The product of its digits is 254016, while the sum is 46.

The square root of 83138797 is about 9118.0478722148. The cubic root of 83138797 is about 436.4500812627.

The spelling of 83138797 in words is "eighty-three million, one hundred thirty-eight thousand, seven hundred ninety-seven".