80463993769 has 8 divisors (see below), whose sum is σ = 81294050240. Its totient is φ = 79634876976.

The previous prime is 80463993719. The next prime is 80463993803. The reversal of 80463993769 is 96739936408.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80463993769 - 2²¹ = 80461896617 is a prime.

It is a super-2 number, since 2×80463993769² (a number of 23 digits) contains 22 as substring.

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 80463993769.

It is not an unprimeable number, because it can be changed into a prime (80463993719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62127 + ... + 405940.

It is an arithmetic number, because the mean of its divisors is an integer number (10161756280).

Almost surely, 2^80463993769 is an apocalyptic number.

It is an amenable number.

80463993769 is a deficient number, since it is larger than the sum of its proper divisors (830056471).

80463993769 is a wasteful number, since it uses less digits than its factorization.

80463993769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469839.

The product of its (nonzero) digits is 52907904, while the sum is 64.

The spelling of 80463993769 in words is "eighty billion, four hundred sixty-three million, nine hundred ninety-three thousand, seven hundred sixty-nine".