80794987 has 16 divisors (see below), whose sum is σ = 100237312. Its totient is φ = 63413280.

The previous prime is 80794921. The next prime is 80794991. The reversal of 80794987 is 78949708.

It is a happy number.

It is not a de Polignac number, because 80794987 - 2¹¹ = 80792939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80794487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8062 + ... + 15052.

It is an arithmetic number, because the mean of its divisors is an integer number (6264832).

Almost surely, 2^80794987 is an apocalyptic number.

80794987 is a deficient number, since it is larger than the sum of its proper divisors (19442325).

80794987 is a wasteful number, since it uses less digits than its factorization.

80794987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7138.

The product of its (nonzero) digits is 1016064, while the sum is 52.

The square root of 80794987 is about 8988.6031729073. The cubic root of 80794987 is about 432.3095257586.

The spelling of 80794987 in words is "eighty million, seven hundred ninety-four thousand, nine hundred eighty-seven".