83407775077 has 8 divisors (see below), whose sum is σ = 92532509280. Its totient is φ = 74540075760.

The previous prime is 83407775071. The next prime is 83407775083. The reversal of 83407775077 is 77057770438.

It is an interprime number because it is at equal distance from previous prime (83407775071) and next prime (83407775083).

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 83407775077 - 2³¹ = 81260291429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83407775071) 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, 64258038 + ... + 64259335.

It is an arithmetic number, because the mean of its divisors is an integer number (11566563660).

Almost surely, 2^83407775077 is an apocalyptic number.

It is an amenable number.

83407775077 is a deficient number, since it is larger than the sum of its proper divisors (9124734203).

83407775077 is a wasteful number, since it uses less digits than its factorization.

83407775077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128517443.

The product of its (nonzero) digits is 8067360, while the sum is 55.

The spelling of 83407775077 in words is "eighty-three billion, four hundred seven million, seven hundred seventy-five thousand, seventy-seven".