78541464532 has 12 divisors (see below), whose sum is σ = 143423544096. Its totient is φ = 37563309080.

The previous prime is 78541464493. The next prime is 78541464559. The reversal of 78541464532 is 23546414587.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426855694 + ... + 426855877.

It is an arithmetic number, because the mean of its divisors is an integer number (11951962008).

Almost surely, 2^78541464532 is an apocalyptic number.

It is an amenable number.

78541464532 is a deficient number, since it is larger than the sum of its proper divisors (64882079564).

78541464532 is a wasteful number, since it uses less digits than its factorization.

78541464532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853711598 (or 853711596 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 49.

The spelling of 78541464532 in words is "seventy-eight billion, five hundred forty-one million, four hundred sixty-four thousand, five hundred thirty-two".