80577963 has 16 divisors (see below), whose sum is σ = 119909760. Its totient is φ = 53477928.

The previous prime is 80577961. The next prime is 80578007. The reversal of 80577963 is 36977508.

It is a happy number.

It is not a de Polignac number, because 80577963 - 2¹ = 80577961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80577961) 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, 445 + ... + 12702.

It is an arithmetic number, because the mean of its divisors is an integer number (7494360).

Almost surely, 2^80577963 is an apocalyptic number.

80577963 is a deficient number, since it is larger than the sum of its proper divisors (39331797).

80577963 is a wasteful number, since it uses less digits than its factorization.

80577963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13383 (or 13377 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 80577963 is about 8976.5228791554. The cubic root of 80577963 is about 431.9221020809.

The spelling of 80577963 in words is "eighty million, five hundred seventy-seven thousand, nine hundred sixty-three".