80862101 has 2 divisors, whose sum is σ = 80862102. Its totient is φ = 80862100.

The previous prime is 80862091. The next prime is 80862191. The reversal of 80862101 is 10126808.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49210225 + 31651876 = 7015^2 + 5626^2 .

It is a cyclic number.

It is not a de Polignac number, because 80862101 - 2²⁶ = 13753237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80862191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40431050 + 40431051.

It is an arithmetic number, because the mean of its divisors is an integer number (40431051).

Almost surely, 2^80862101 is an apocalyptic number.

It is an amenable number.

80862101 is a deficient number, since it is larger than the sum of its proper divisors (1).

80862101 is an equidigital number, since it uses as much as digits as its factorization.

80862101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 80862101 is about 8992.3356810119. The cubic root of 80862101 is about 432.4291948643.

Adding to 80862101 its reverse (10126808), we get a palindrome (90988909).

The spelling of 80862101 in words is "eighty million, eight hundred sixty-two thousand, one hundred one".