80540822 has 4 divisors (see below), whose sum is σ = 120811236. Its totient is φ = 40270410.

The previous prime is 80540819. The next prime is 80540879. The reversal of 80540822 is 22804508.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20135204 + ... + 20135207.

It is an arithmetic number, because the mean of its divisors is an integer number (30202809).

Almost surely, 2^80540822 is an apocalyptic number.

80540822 is a deficient number, since it is larger than the sum of its proper divisors (40270414).

80540822 is a wasteful number, since it uses less digits than its factorization.

80540822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40270413.

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 80540822 is about 8974.4538552494. The cubic root of 80540822 is about 431.8557295741.

The spelling of 80540822 in words is "eighty million, five hundred forty thousand, eight hundred twenty-two".