80380802 has 4 divisors (see below), whose sum is σ = 120571206. Its totient is φ = 40190400.

The previous prime is 80380801. The next prime is 80380819. The reversal of 80380802 is 20808308.

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

It can be written as a sum of positive squares in only one way, i.e., 73085401 + 7295401 = 8549^2 + 2701^2 .

It is a super-2 number, since 2×80380802² = 12922146660326408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80380801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20095199 + ... + 20095202.

Almost surely, 2^80380802 is an apocalyptic number.

80380802 is a deficient number, since it is larger than the sum of its proper divisors (40190404).

80380802 is a wasteful number, since it uses less digits than its factorization.

80380802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40190403.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 80380802 is about 8965.5341168276. The cubic root of 80380802 is about 431.5695336243.

The spelling of 80380802 in words is "eighty million, three hundred eighty thousand, eight hundred two".