80477663 has 4 divisors (see below), whose sum is σ = 91974480. Its totient is φ = 68980848.

The previous prime is 80477651. The next prime is 80477669. The reversal of 80477663 is 36677408.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80477663 - 2⁶ = 80477599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80477663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80477669) 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, 5748398 + ... + 5748411.

It is an arithmetic number, because the mean of its divisors is an integer number (22993620).

Almost surely, 2^80477663 is an apocalyptic number.

80477663 is a deficient number, since it is larger than the sum of its proper divisors (11496817).

80477663 is a wasteful number, since it uses less digits than its factorization.

80477663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11496816.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 80477663 is about 8970.9343437571. The cubic root of 80477663 is about 431.7428149545.

The spelling of 80477663 in words is "eighty million, four hundred seventy-seven thousand, six hundred sixty-three".