80956103 has 4 divisors (see below), whose sum is σ = 81790800. Its totient is φ = 80121408.

The previous prime is 80956087. The next prime is 80956121. The reversal of 80956103 is 30165908.

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

It is a cyclic number.

It is not a de Polignac number, because 80956103 - 2⁴ = 80956087 is a prime.

It is a super-2 number, since 2×80956103² = 13107781225893218, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80956103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80956123) 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, 417203 + ... + 417396.

It is an arithmetic number, because the mean of its divisors is an integer number (20447700).

Almost surely, 2^80956103 is an apocalyptic number.

80956103 is a deficient number, since it is larger than the sum of its proper divisors (834697).

80956103 is an equidigital number, since it uses as much as digits as its factorization.

80956103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834696.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 80956103 is about 8997.5609472790. The cubic root of 80956103 is about 432.5966959446.

The spelling of 80956103 in words is "eighty million, nine hundred fifty-six thousand, one hundred three".