80861734 has 8 divisors (see below), whose sum is σ = 122019408. Its totient is φ = 40188600.

The previous prime is 80861731. The next prime is 80861743. The reversal of 80861734 is 43716808.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 80861693 and 80861702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80861731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120717 + ... + 121384.

It is an arithmetic number, because the mean of its divisors is an integer number (15252426).

Almost surely, 2^80861734 is an apocalyptic number.

80861734 is a deficient number, since it is larger than the sum of its proper divisors (41157674).

80861734 is a wasteful number, since it uses less digits than its factorization.

80861734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242270.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 80861734 is about 8992.3152747221. The cubic root of 80861734 is about 432.4285406569.

The spelling of 80861734 in words is "eighty million, eight hundred sixty-one thousand, seven hundred thirty-four".