80657379571 has 2 divisors, whose sum is σ = 80657379572. Its totient is φ = 80657379570.

The previous prime is 80657379557. The next prime is 80657379577. The reversal of 80657379571 is 17597375608.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80657379571 - 2⁹ = 80657379059 is a prime.

It is a super-3 number, since 3×80657379571³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (80657379577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40328689785 + 40328689786.

It is an arithmetic number, because the mean of its divisors is an integer number (40328689786).

Almost surely, 2^80657379571 is an apocalyptic number.

80657379571 is a deficient number, since it is larger than the sum of its proper divisors (1).

80657379571 is an equidigital number, since it uses as much as digits as its factorization.

80657379571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11113200, while the sum is 58.

The spelling of 80657379571 in words is "eighty billion, six hundred fifty-seven million, three hundred seventy-nine thousand, five hundred seventy-one".