80706769376 has 48 divisors (see below), whose sum is σ = 167481417600. Its totient is φ = 38177578368.

The previous prime is 80706769361. The next prime is 80706769387. The reversal of 80706769376 is 67396760708.

It is a happy number.

It is a super-2 number, since 2×80706769376² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359501 + ... + 539123.

It is an arithmetic number, because the mean of its divisors is an integer number (3489196200).

Almost surely, 2^80706769376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80706769376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83740708800).

80706769376 is an abundant number, since it is smaller than the sum of its proper divisors (86774648224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80706769376 is a wasteful number, since it uses less digits than its factorization.

80706769376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180391 (or 180383 counting only the distinct ones).

The product of its (nonzero) digits is 16003008, while the sum is 59.

The spelling of 80706769376 in words is "eighty billion, seven hundred six million, seven hundred sixty-nine thousand, three hundred seventy-six".