80218957910 has 144 divisors (see below), whose sum is σ = 192585633696. Its totient is φ = 23894148096.

The previous prime is 80218957883. The next prime is 80218957919. The reversal of 80218957910 is 1975981208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80218957919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1379279 + ... + 1436261.

It is an arithmetic number, because the mean of its divisors is an integer number (1337400234).

Almost surely, 2^80218957910 is an apocalyptic number.

80218957910 is an abundant number, since it is smaller than the sum of its proper divisors (112366675786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80218957910 is a wasteful number, since it uses less digits than its factorization.

80218957910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57047 (or 57027 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 50.

The spelling of 80218957910 in words is "eighty billion, two hundred eighteen million, nine hundred fifty-seven thousand, nine hundred ten".