83220803547 has 16 divisors (see below), whose sum is σ = 128417879040. Its totient is φ = 46952785152.

The previous prime is 83220803537. The next prime is 83220803557. The reversal of 83220803547 is 74530802238.

It is an interprime number because it is at equal distance from previous prime (83220803537) and next prime (83220803557).

It is not a de Polignac number, because 83220803547 - 2¹⁴ = 83220787163 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83220803499 and 83220803508.

It is not an unprimeable number, because it can be changed into a prime (83220803507) 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, 25079958 + ... + 25083275.

It is an arithmetic number, because the mean of its divisors is an integer number (8026117440).

Almost surely, 2^83220803547 is an apocalyptic number.

83220803547 is a deficient number, since it is larger than the sum of its proper divisors (45197075493).

83220803547 is a wasteful number, since it uses less digits than its factorization.

83220803547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50163322.

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 83220803547 in words is "eighty-three billion, two hundred twenty million, eight hundred three thousand, five hundred forty-seven".