80958855 has 16 divisors (see below), whose sum is σ = 130044384. Its totient is φ = 43008000.

The previous prime is 80958853. The next prime is 80958859. The reversal of 80958855 is 55885908.

It is not a de Polignac number, because 80958855 - 2¹ = 80958853 is a prime.

It is a super-2 number, since 2×80958855² = 13108672405822050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80958851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6646 + ... + 14355.

It is an arithmetic number, because the mean of its divisors is an integer number (8127774).

Almost surely, 2^80958855 is an apocalyptic number.

80958855 is a deficient number, since it is larger than the sum of its proper divisors (49085529).

80958855 is a wasteful number, since it uses less digits than its factorization.

80958855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21266.

The product of its (nonzero) digits is 576000, while the sum is 48.

The square root of 80958855 is about 8997.7138763132. The cubic root of 80958855 is about 432.6015977476.

The spelling of 80958855 in words is "eighty million, nine hundred fifty-eight thousand, eight hundred fifty-five".