83408480771 has 16 divisors (see below), whose sum is σ = 104085565440. Its totient is φ = 64933764480.

The previous prime is 83408480767. The next prime is 83408480777. The reversal of 83408480771 is 17708480438.

It is a cyclic number.

It is not a de Polignac number, because 83408480771 - 2² = 83408480767 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83408480777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 414566 + ... + 581963.

It is an arithmetic number, because the mean of its divisors is an integer number (6505347840).

Almost surely, 2^83408480771 is an apocalyptic number.

83408480771 is a deficient number, since it is larger than the sum of its proper divisors (20677084669).

83408480771 is a wasteful number, since it uses less digits than its factorization.

83408480771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997634.

The product of its (nonzero) digits is 1204224, while the sum is 50.

The spelling of 83408480771 in words is "eighty-three billion, four hundred eight million, four hundred eighty thousand, seven hundred seventy-one".