80615222965 has 8 divisors (see below), whose sum is σ = 96752616408. Its totient is φ = 64482612480.

The previous prime is 80615222957. The next prime is 80615222969. The reversal of 80615222965 is 56922251608.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25944833476 + 54670389489 = 161074^2 + 233817^2 .

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

It is not a de Polignac number, because 80615222965 - 2³ = 80615222957 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 (80615222969) 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, 1158552 + ... + 1226161.

It is an arithmetic number, because the mean of its divisors is an integer number (12094077051).

Almost surely, 2^80615222965 is an apocalyptic number.

It is an amenable number.

80615222965 is a deficient number, since it is larger than the sum of its proper divisors (16137393443).

80615222965 is a wasteful number, since it uses less digits than its factorization.

80615222965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2391479.

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 80615222965 in words is "eighty billion, six hundred fifteen million, two hundred twenty-two thousand, nine hundred sixty-five".