65478175898652 has 48 divisors (see below), whose sum is σ = 185190800524800. Its totient is φ = 19841871484080.

The previous prime is 65478175898621. The next prime is 65478175898669. The reversal of 65478175898652 is 25689857187456.

65478175898652 is a `hidden beast` number, since 6 + 5 + 478 + 1 + 7 + 5 + 8 + 98 + 6 + 52 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27558153652 + ... + 27558156027.

It is an arithmetic number, because the mean of its divisors is an integer number (3858141677600).

Almost surely, 2^{65478175898652} is an apocalyptic number.

It is an amenable number.

65478175898652 is an abundant number, since it is smaller than the sum of its proper divisors (119712624626148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65478175898652 is a wasteful number, since it uses less digits than its factorization.

65478175898652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55116309703 (or 55116309695 counting only the distinct ones).

The product of its digits is 8128512000, while the sum is 81.

The spelling of 65478175898652 in words is "sixty-five trillion, four hundred seventy-eight billion, one hundred seventy-five million, eight hundred ninety-eight thousand, six hundred fifty-two".