80955623 has 4 divisors (see below), whose sum is σ = 92520720. Its totient is φ = 69390528.

The previous prime is 80955583. The next prime is 80955647. The reversal of 80955623 is 32655908.

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 80955623 - 2⁸ = 80955367 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 (80955673) 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, 5782538 + ... + 5782551.

It is an arithmetic number, because the mean of its divisors is an integer number (23130180).

Almost surely, 2^80955623 is an apocalyptic number.

80955623 is a deficient number, since it is larger than the sum of its proper divisors (11565097).

80955623 is a wasteful number, since it uses less digits than its factorization.

80955623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11565096.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 80955623 is about 8997.5342733440. The cubic root of 80955623 is about 432.5958409675.

The spelling of 80955623 in words is "eighty million, nine hundred fifty-five thousand, six hundred twenty-three".