83196977 has 4 divisors (see below), whose sum is σ = 83215476. Its totient is φ = 83178480.

The previous prime is 83196961. The next prime is 83196983. The reversal of 83196977 is 77969138.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32160241 + 51036736 = 5671^2 + 7144^2 .

It is a cyclic number.

It is not a de Polignac number, because 83196977 - 2⁴ = 83196961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83196917) 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, 2327 + ... + 13107.

It is an arithmetic number, because the mean of its divisors is an integer number (20803869).

Almost surely, 2^83196977 is an apocalyptic number.

It is an amenable number.

83196977 is a deficient number, since it is larger than the sum of its proper divisors (18499).

83196977 is a wasteful number, since it uses less digits than its factorization.

83196977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18498.

The product of its digits is 571536, while the sum is 50.

The square root of 83196977 is about 9121.2376901383. The cubic root of 83196977 is about 436.5518658516.

The spelling of 83196977 in words is "eighty-three million, one hundred ninety-six thousand, nine hundred seventy-seven".