7477428896532 has 144 divisors (see below), whose sum is σ = 21672329253120. Its totient is φ = 2129405262336.

The previous prime is 7477428896501. The next prime is 7477428896543. The reversal of 7477428896532 is 2356988247747.

7477428896532 is a `hidden beast` number, since 7 + 4 + 7 + 7 + 4 + 2 + 8 + 89 + 6 + 532 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 193310778 + ... + 193349454.

It is an arithmetic number, because the mean of its divisors is an integer number (150502286480).

Almost surely, 2^{7477428896532} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7477428896532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10836164626560).

7477428896532 is an abundant number, since it is smaller than the sum of its proper divisors (14194900356588).

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

7477428896532 is a wasteful number, since it uses less digits than its factorization.

7477428896532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41190 (or 41185 counting only the distinct ones).

The product of its digits is 1137991680, while the sum is 72.

The spelling of 7477428896532 in words is "seven trillion, four hundred seventy-seven billion, four hundred twenty-eight million, eight hundred ninety-six thousand, five hundred thirty-two".