62428391771 has 4 divisors (see below), whose sum is σ = 62468437200. Its totient is φ = 62388346344.

The previous prime is 62428391761. The next prime is 62428391783. The reversal of 62428391771 is 17719382426.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17719382426 = 2 ⋅8859691213.

It is a cyclic number.

It is not a de Polignac number, because 62428391771 - 2²² = 62424197467 is a prime.

It is a super-2 number, since 2×62428391771² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (62428391761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20020376 + ... + 20023493.

It is an arithmetic number, because the mean of its divisors is an integer number (15617109300).

Almost surely, 2^62428391771 is an apocalyptic number.

62428391771 is a deficient number, since it is larger than the sum of its proper divisors (40045429).

62428391771 is a wasteful number, since it uses less digits than its factorization.

62428391771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40045428.

The product of its digits is 1016064, while the sum is 50.

The spelling of 62428391771 in words is "sixty-two billion, four hundred twenty-eight million, three hundred ninety-one thousand, seven hundred seventy-one".