83628590371 has 4 divisors (see below), whose sum is σ = 83638567600. Its totient is φ = 83618613144.

The previous prime is 83628590363. The next prime is 83628590407. The reversal of 83628590371 is 17309582638.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83628590371 - 2³ = 83628590363 is a prime.

It is a super-2 number, since 2×83628590371² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83628590321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4976031 + ... + 4992808.

It is an arithmetic number, because the mean of its divisors is an integer number (20909641900).

Almost surely, 2^83628590371 is an apocalyptic number.

83628590371 is a deficient number, since it is larger than the sum of its proper divisors (9977229).

83628590371 is an equidigital number, since it uses as much as digits as its factorization.

83628590371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9977228.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 83628590371 in words is "eighty-three billion, six hundred twenty-eight million, five hundred ninety thousand, three hundred seventy-one".