80867799 has 6 divisors (see below), whose sum is σ = 116809056. Its totient is φ = 53911860.

The previous prime is 80867783. The next prime is 80867807. The reversal of 80867799 is 99776808.

It is not a de Polignac number, because 80867799 - 2⁴ = 80867783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80867719) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4492647 + ... + 4492664.

It is an arithmetic number, because the mean of its divisors is an integer number (19468176).

Almost surely, 2^80867799 is an apocalyptic number.

80867799 is a deficient number, since it is larger than the sum of its proper divisors (35941257).

80867799 is a wasteful number, since it uses less digits than its factorization.

80867799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8985317 (or 8985314 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 54.

The square root of 80867799 is about 8992.6525007920. The cubic root of 80867799 is about 432.4393517596.

The spelling of 80867799 in words is "eighty million, eight hundred sixty-seven thousand, seven hundred ninety-nine".