83800077 has 8 divisors (see below), whose sum is σ = 114332064. Its totient is φ = 54567408.

The previous prime is 83800069. The next prime is 83800097. The reversal of 83800077 is 77000838.

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

It is not a de Polignac number, because 83800077 - 2³ = 83800069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83800007) 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, 324678 + ... + 324935.

It is an arithmetic number, because the mean of its divisors is an integer number (14291508).

Almost surely, 2^83800077 is an apocalyptic number.

It is an amenable number.

83800077 is a deficient number, since it is larger than the sum of its proper divisors (30531987).

83800077 is a wasteful number, since it uses less digits than its factorization.

83800077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649659.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 83800077 is about 9154.2381987798. The cubic root of 83800077 is about 437.6041909128.

The spelling of 83800077 in words is "eighty-three million, eight hundred thousand, seventy-seven".