80418775 has 6 divisors (see below), whose sum is σ = 99719312. Its totient is φ = 64335000.

The previous prime is 80418763. The next prime is 80418809. The reversal of 80418775 is 57781408.

It is a de Polignac number, because none of the positive numbers 2^k-80418775 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1608351 + ... + 1608400.

Almost surely, 2^80418775 is an apocalyptic number.

80418775 is a deficient number, since it is larger than the sum of its proper divisors (19300537).

80418775 is a wasteful number, since it uses less digits than its factorization.

80418775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3216761 (or 3216756 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 40.

The square root of 80418775 is about 8967.6515877904. The cubic root of 80418775 is about 431.6374827262.

The spelling of 80418775 in words is "eighty million, four hundred eighteen thousand, seven hundred seventy-five".