80428571479 has 2 divisors, whose sum is σ = 80428571480. Its totient is φ = 80428571478.

The previous prime is 80428571477. The next prime is 80428571513. The reversal of 80428571479 is 97417582408.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80428571479 - 2¹ = 80428571477 is a prime.

It is a super-2 number, since 2×80428571479² (a number of 23 digits) contains 22 as substring.

Together with 80428571477, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80428571477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40214285739 + 40214285740.

It is an arithmetic number, because the mean of its divisors is an integer number (40214285740).

Almost surely, 2^80428571479 is an apocalyptic number.

80428571479 is a deficient number, since it is larger than the sum of its proper divisors (1).

80428571479 is an equidigital number, since it uses as much as digits as its factorization.

80428571479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4515840, while the sum is 55.

The spelling of 80428571479 in words is "eighty billion, four hundred twenty-eight million, five hundred seventy-one thousand, four hundred seventy-nine".