80627642849 has 16 divisors (see below), whose sum is σ = 87030096384. Its totient is φ = 74254017600.

The previous prime is 80627642833. The next prime is 80627642867. The reversal of 80627642849 is 94824672608.

It is a cyclic number.

It is not a de Polignac number, because 80627642849 - 2⁴ = 80627642833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80627642794 and 80627642803.

It is not an unprimeable number, because it can be changed into a prime (80627642899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11886839 + ... + 11893619.

It is an arithmetic number, because the mean of its divisors is an integer number (5439381024).

Almost surely, 2^80627642849 is an apocalyptic number.

It is an amenable number.

80627642849 is a deficient number, since it is larger than the sum of its proper divisors (6402453535).

80627642849 is a wasteful number, since it uses less digits than its factorization.

80627642849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8768.

The product of its (nonzero) digits is 9289728, while the sum is 56.

The spelling of 80627642849 in words is "eighty billion, six hundred twenty-seven million, six hundred forty-two thousand, eight hundred forty-nine".