83091377 has 4 divisors (see below), whose sum is σ = 85771776. Its totient is φ = 80410980.

The previous prime is 83091329. The next prime is 83091469. The reversal of 83091377 is 77319038.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 83091377 - 2¹⁰ = 83090353 is a prime.

It is a super-2 number, since 2×83091377² = 13808353863512258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83091377.

It is not an unprimeable number, because it can be changed into a prime (83091317) 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, 1340153 + ... + 1340214.

It is an arithmetic number, because the mean of its divisors is an integer number (21442944).

Almost surely, 2^83091377 is an apocalyptic number.

It is an amenable number.

83091377 is a deficient number, since it is larger than the sum of its proper divisors (2680399).

83091377 is a wasteful number, since it uses less digits than its factorization.

83091377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2680398.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 83091377 is about 9115.4471640178. The cubic root of 83091377 is about 436.3670859194.

The spelling of 83091377 in words is "eighty-three million, ninety-one thousand, three hundred seventy-seven".