80211789381 has 8 divisors (see below), whose sum is σ = 106951418784. Its totient is φ = 53473343120.

The previous prime is 80211789373. The next prime is 80211789389. The reversal of 80211789381 is 18398711208.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (80211789373) and next prime (80211789389).

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 80211789381 - 2³ = 80211789373 is a prime.

It is a super-2 number, since 2×80211789381² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80211789381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80211789389) 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, 123210 + ... + 419051.

It is an arithmetic number, because the mean of its divisors is an integer number (13368927348).

Almost surely, 2^80211789381 is an apocalyptic number.

It is an amenable number.

80211789381 is a deficient number, since it is larger than the sum of its proper divisors (26739629403).

80211789381 is a wasteful number, since it uses less digits than its factorization.

80211789381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591571.

The product of its (nonzero) digits is 193536, while the sum is 48.

The spelling of 80211789381 in words is "eighty billion, two hundred eleven million, seven hundred eighty-nine thousand, three hundred eighty-one".