80955959 has 8 divisors (see below), whose sum is σ = 93636480. Its totient is φ = 68554296.

The previous prime is 80955943. The next prime is 80955977. The reversal of 80955959 is 95955908.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80955959 - 2⁴ = 80955943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80955059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69089 + ... + 70250.

It is an arithmetic number, because the mean of its divisors is an integer number (11704560).

Almost surely, 2^80955959 is an apocalyptic number.

80955959 is a deficient number, since it is larger than the sum of its proper divisors (12680521).

80955959 is a wasteful number, since it uses less digits than its factorization.

80955959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139429.

The product of its (nonzero) digits is 729000, while the sum is 50.

The square root of 80955959 is about 8997.5529451068. The cubic root of 80955959 is about 432.5964394518.

The spelling of 80955959 in words is "eighty million, nine hundred fifty-five thousand, nine hundred fifty-nine".