71604387463 has 8 divisors (see below), whose sum is σ = 81837701120. Its totient is φ = 61372102680.

The previous prime is 71604387433. The next prime is 71604387527. The reversal of 71604387463 is 36478340617.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71604387463 - 2⁹ = 71604386951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71604387433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101823 + ... + 391888.

It is an arithmetic number, because the mean of its divisors is an integer number (10229712640).

Almost surely, 2^71604387463 is an apocalyptic number.

71604387463 is a deficient number, since it is larger than the sum of its proper divisors (10233313657).

71604387463 is a wasteful number, since it uses less digits than its factorization.

71604387463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514437.

The product of its (nonzero) digits is 2032128, while the sum is 49.

The spelling of 71604387463 in words is "seventy-one billion, six hundred four million, three hundred eighty-seven thousand, four hundred sixty-three".