80876101 has 4 divisors (see below), whose sum is σ = 81191052. Its totient is φ = 80561152.

The previous prime is 80876087. The next prime is 80876111. The reversal of 80876101 is 10167808.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55130625 + 25745476 = 7425^2 + 5074^2 .

It is a cyclic number.

It is not a de Polignac number, because 80876101 - 2⁹ = 80875589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80876111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157090 + ... + 157603.

It is an arithmetic number, because the mean of its divisors is an integer number (20297763).

Almost surely, 2^80876101 is an apocalyptic number.

It is an amenable number.

80876101 is a deficient number, since it is larger than the sum of its proper divisors (314951).

80876101 is a wasteful number, since it uses less digits than its factorization.

80876101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314950.

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 80876101 is about 8993.1140880120. The cubic root of 80876101 is about 432.4541495270.

The spelling of 80876101 in words is "eighty million, eight hundred seventy-six thousand, one hundred one".