77895473548 has 48 divisors (see below), whose sum is σ = 144997776000. Its totient is φ = 36556386048.

The previous prime is 77895473533. The next prime is 77895473549. The reversal of 77895473548 is 84537459877.

It is not an unprimeable number, because it can be changed into a prime (77895473549) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 612013 + ... + 728251.

It is an arithmetic number, because the mean of its divisors is an integer number (3020787000).

Almost surely, 2^77895473548 is an apocalyptic number.

It is an amenable number.

77895473548 is a deficient number, since it is larger than the sum of its proper divisors (67102302452).

77895473548 is a wasteful number, since it uses less digits than its factorization.

77895473548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116434 (or 116432 counting only the distinct ones).

The product of its digits is 237081600, while the sum is 67.

The spelling of 77895473548 in words is "seventy-seven billion, eight hundred ninety-five million, four hundred seventy-three thousand, five hundred forty-eight".