80820896377 has 8 divisors (see below), whose sum is σ = 87111230976. Its totient is φ = 74541039312.

The previous prime is 80820896363. The next prime is 80820896399. The reversal of 80820896377 is 77369802808.

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 80820896377 - 2¹⁹ = 80820372089 is a prime.

It is a super-2 number, since 2×80820896377² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80820896677) 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, 2603353 + ... + 2634214.

It is an arithmetic number, because the mean of its divisors is an integer number (10888903872).

Almost surely, 2^80820896377 is an apocalyptic number.

It is an amenable number.

80820896377 is a deficient number, since it is larger than the sum of its proper divisors (6290334599).

80820896377 is a wasteful number, since it uses less digits than its factorization.

80820896377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5238767.

The product of its (nonzero) digits is 8128512, while the sum is 58.

The spelling of 80820896377 in words is "eighty billion, eight hundred twenty million, eight hundred ninety-six thousand, three hundred seventy-seven".