71358854428 has 6 divisors (see below), whose sum is σ = 124877995256. Its totient is φ = 35679427212.

The previous prime is 71358854389. The next prime is 71358854467. The reversal of 71358854428 is 82445885317.

It is an interprime number because it is at equal distance from previous prime (71358854389) and next prime (71358854467).

It is a super-2 number, since 2×71358854428² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 8919856800 + ... + 8919856807.

Almost surely, 2^71358854428 is an apocalyptic number.

It is an amenable number.

71358854428 is a deficient number, since it is larger than the sum of its proper divisors (53519140828).

71358854428 is a wasteful number, since it uses less digits than its factorization.

71358854428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17839713611 (or 17839713609 counting only the distinct ones).

The product of its digits is 8601600, while the sum is 55.

The spelling of 71358854428 in words is "seventy-one billion, three hundred fifty-eight million, eight hundred fifty-four thousand, four hundred twenty-eight".