80380761 has 16 divisors (see below), whose sum is σ = 110344704. Its totient is φ = 52009344.

The previous prime is 80380753. The next prime is 80380793. The reversal of 80380761 is 16708308.

It is not a de Polignac number, because 80380761 - 2³ = 80380753 is a prime.

It is a super-2 number, since 2×80380761² = 12922133477878242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80380711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66781 + ... + 67973.

It is an arithmetic number, because the mean of its divisors is an integer number (6896544).

Almost surely, 2^80380761 is an apocalyptic number.

It is an amenable number.

80380761 is a deficient number, since it is larger than the sum of its proper divisors (29963943).

80380761 is a wasteful number, since it uses less digits than its factorization.

80380761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 80380761 is about 8965.5318302932. The cubic root of 80380761 is about 431.5694602471.

The spelling of 80380761 in words is "eighty million, three hundred eighty thousand, seven hundred sixty-one".