80782622 has 4 divisors (see below), whose sum is σ = 121173936. Its totient is φ = 40391310.

The previous prime is 80782619. The next prime is 80782627. The reversal of 80782622 is 22628708.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80782627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20195654 + ... + 20195657.

It is an arithmetic number, because the mean of its divisors is an integer number (30293484).

Almost surely, 2^80782622 is an apocalyptic number.

80782622 is a deficient number, since it is larger than the sum of its proper divisors (40391314).

80782622 is a wasteful number, since it uses less digits than its factorization.

80782622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40391313.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 80782622 is about 8987.9153311544. The cubic root of 80782622 is about 432.2874708424.

The spelling of 80782622 in words is "eighty million, seven hundred eighty-two thousand, six hundred twenty-two".