83256077 has 4 divisors (see below), whose sum is σ = 83737500. Its totient is φ = 82774656.

The previous prime is 83256073. The next prime is 83256137. The reversal of 83256077 is 77065238.

It is a happy number.

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 48846121 + 34409956 = 6989^2 + 5866^2 .

It is a cyclic number.

It is not a de Polignac number, because 83256077 - 2² = 83256073 is a prime.

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 83256077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83256073) 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, 240452 + ... + 240797.

It is an arithmetic number, because the mean of its divisors is an integer number (20934375).

Almost surely, 2^83256077 is an apocalyptic number.

It is an amenable number.

83256077 is a deficient number, since it is larger than the sum of its proper divisors (481423).

83256077 is a wasteful number, since it uses less digits than its factorization.

83256077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481422.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 83256077 is about 9124.4768069188. The cubic root of 83256077 is about 436.6552113875.

The spelling of 83256077 in words is "eighty-three million, two hundred fifty-six thousand, seventy-seven".