80237285377 has 2 divisors, whose sum is σ = 80237285378. Its totient is φ = 80237285376.

The previous prime is 80237285369. The next prime is 80237285393. The reversal of 80237285377 is 77358273208.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55964891761 + 24272393616 = 236569^2 + 155796^2 .

It is a cyclic number.

It is not a de Polignac number, because 80237285377 - 2³ = 80237285369 is a prime.

It is not a weakly prime, because it can be changed into another prime (80237285477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40118642688 + 40118642689.

It is an arithmetic number, because the mean of its divisors is an integer number (40118642689).

Almost surely, 2^80237285377 is an apocalyptic number.

It is an amenable number.

80237285377 is a deficient number, since it is larger than the sum of its proper divisors (1).

80237285377 is an equidigital number, since it uses as much as digits as its factorization.

80237285377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3951360, while the sum is 52.

The spelling of 80237285377 in words is "eighty billion, two hundred thirty-seven million, two hundred eighty-five thousand, three hundred seventy-seven".