80499801 has 16 divisors (see below), whose sum is σ = 109278464. Its totient is φ = 52700544.

The previous prime is 80499799. The next prime is 80499803. The reversal of 80499801 is 10899408.

It is an interprime number because it is at equal distance from previous prime (80499799) and next prime (80499803).

It is not a de Polignac number, because 80499801 - 2¹ = 80499799 is a prime.

It is a super-2 number, since 2×80499801² = 12960435922079202, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 80499801.

It is not an unprimeable number, because it can be changed into a prime (80499803) 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, 60000 + ... + 61326.

It is an arithmetic number, because the mean of its divisors is an integer number (6829904).

Almost surely, 2^80499801 is an apocalyptic number.

It is an amenable number.

80499801 is a deficient number, since it is larger than the sum of its proper divisors (28778663).

80499801 is a wasteful number, since it uses less digits than its factorization.

80499801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680.

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 80499801 is about 8972.1681326199. The cubic root of 80499801 is about 431.7823996285.

The spelling of 80499801 in words is "eighty million, four hundred ninety-nine thousand, eight hundred one".