80734275869 has 16 divisors (see below), whose sum is σ = 87410697024. Its totient is φ = 74125497600.

The previous prime is 80734275829. The next prime is 80734275887. The reversal of 80734275869 is 96857243708.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80734275869 is a prime.

It is a super-2 number, since 2×80734275869² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80734275829) 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, 1841534 + ... + 1884864.

It is an arithmetic number, because the mean of its divisors is an integer number (5463168564).

Almost surely, 2^80734275869 is an apocalyptic number.

It is an amenable number.

80734275869 is a deficient number, since it is larger than the sum of its proper divisors (6676421155).

80734275869 is a wasteful number, since it uses less digits than its factorization.

80734275869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44108.

The product of its (nonzero) digits is 20321280, while the sum is 59.

The spelling of 80734275869 in words is "eighty billion, seven hundred thirty-four million, two hundred seventy-five thousand, eight hundred sixty-nine".