80234888769 has 32 divisors (see below), whose sum is σ = 135929456640. Its totient is φ = 45820824336.

The previous prime is 80234888761. The next prime is 80234888801. The reversal of 80234888769 is 96788843208.

80234888769 is a `hidden beast` number, since 80 + 2 + 3 + 488 + 8 + 76 + 9 = 666.

It is not a de Polignac number, because 80234888769 - 2³ = 80234888761 is a prime.

It is a super-2 number, since 2×80234888769² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80234888761) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 187732 + ... + 442394.

It is an arithmetic number, because the mean of its divisors is an integer number (4247795520).

Almost surely, 2^80234888769 is an apocalyptic number.

It is an amenable number.

80234888769 is a deficient number, since it is larger than the sum of its proper divisors (55694567871).

80234888769 is a wasteful number, since it uses less digits than its factorization.

80234888769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256346 (or 256340 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 63.

The spelling of 80234888769 in words is "eighty billion, two hundred thirty-four million, eight hundred eighty-eight thousand, seven hundred sixty-nine".