80872011 has 24 divisors (see below), whose sum is σ = 129847536. Its totient is φ = 48085440.

The previous prime is 80872003. The next prime is 80872019. The reversal of 80872011 is 11027808.

It is an interprime number because it is at equal distance from previous prime (80872003) and next prime (80872019).

It is not a de Polignac number, because 80872011 - 2³ = 80872003 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (80872019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2460 + ... + 12953.

It is an arithmetic number, because the mean of its divisors is an integer number (5410314).

Almost surely, 2^80872011 is an apocalyptic number.

80872011 is a deficient number, since it is larger than the sum of its proper divisors (48975525).

80872011 is a wasteful number, since it uses less digits than its factorization.

80872011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15483 (or 15480 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 80872011 is about 8992.8866889336. The cubic root of 80872011 is about 432.4468594984.

Adding to 80872011 its reverse (11027808), we get a palindrome (91899819).

The spelling of 80872011 in words is "eighty million, eight hundred seventy-two thousand, eleven".