80837526349 has 4 divisors (see below), whose sum is σ = 80846793760. Its totient is φ = 80828258940.

The previous prime is 80837526269. The next prime is 80837526373. The reversal of 80837526349 is 94362573808.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80837526349 - 2¹¹ = 80837524301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80837526349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80837526379) 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, 4620609 + ... + 4638070.

It is an arithmetic number, because the mean of its divisors is an integer number (20211698440).

Almost surely, 2^80837526349 is an apocalyptic number.

It is an amenable number.

80837526349 is a deficient number, since it is larger than the sum of its proper divisors (9267411).

80837526349 is an equidigital number, since it uses as much as digits as its factorization.

80837526349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9267410.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 80837526349 in words is "eighty billion, eight hundred thirty-seven million, five hundred twenty-six thousand, three hundred forty-nine".