83478504276 has 36 divisors (see below), whose sum is σ = 212555376852. Its totient is φ = 27623055744.

The previous prime is 83478504271. The next prime is 83478504337. The reversal of 83478504276 is 67240587438.

83478504276 is a `hidden beast` number, since 83 + 478 + 50 + 42 + 7 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 66100410000 + 17378094276 = 257100^2 + 131826^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83478504271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8458015 + ... + 8467878.

Almost surely, 2^83478504276 is an apocalyptic number.

It is an amenable number.

83478504276 is an abundant number, since it is smaller than the sum of its proper divisors (129076872576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83478504276 is a wasteful number, since it uses less digits than its factorization.

83478504276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16926040 (or 16926035 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 54.

The spelling of 83478504276 in words is "eighty-three billion, four hundred seventy-eight million, five hundred four thousand, two hundred seventy-six".