80879746 has 8 divisors (see below), whose sum is σ = 121372560. Its totient is φ = 40422228.

The previous prime is 80879741. The next prime is 80879767. The reversal of 80879746 is 64797808.

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

It is a self number, because there is not a number n which added to its sum of digits gives 80879746.

It is not an unprimeable number, because it can be changed into a prime (80879741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2056 + ... + 12883.

It is an arithmetic number, because the mean of its divisors is an integer number (15171570).

Almost surely, 2^80879746 is an apocalyptic number.

80879746 is a deficient number, since it is larger than the sum of its proper divisors (40492814).

80879746 is a wasteful number, since it uses less digits than its factorization.

80879746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17648.

The product of its (nonzero) digits is 677376, while the sum is 49.

The square root of 80879746 is about 8993.3167407803. The cubic root of 80879746 is about 432.4606461792.

The spelling of 80879746 in words is "eighty million, eight hundred seventy-nine thousand, seven hundred forty-six".