80834637137 has 4 divisors (see below), whose sum is σ = 81047921520. Its totient is φ = 80621352756.

The previous prime is 80834637131. The next prime is 80834637157. The reversal of 80834637137 is 73173643808.

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 80834637137 - 2⁶ = 80834637073 is a prime.

It is a super-2 number, since 2×80834637137² (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 (80834637131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106641623 + ... + 106642380.

It is an arithmetic number, because the mean of its divisors is an integer number (20261980380).

Almost surely, 2^80834637137 is an apocalyptic number.

It is an amenable number.

80834637137 is a deficient number, since it is larger than the sum of its proper divisors (213284383).

80834637137 is a wasteful number, since it uses less digits than its factorization.

80834637137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213284382.

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 80834637137 in words is "eighty billion, eight hundred thirty-four million, six hundred thirty-seven thousand, one hundred thirty-seven".