77253579871432 has 32 divisors (see below), whose sum is σ = 144891937451520. Its totient is φ = 38615730912000.

The previous prime is 77253579871421. The next prime is 77253579871459. The reversal of 77253579871432 is 23417897535277.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 754621513 + ... + 754723879.

It is an arithmetic number, because the mean of its divisors is an integer number (4527873045360).

Almost surely, 2^{77253579871432} is an apocalyptic number.

It is an amenable number.

77253579871432 is a deficient number, since it is larger than the sum of its proper divisors (67638357580088).

77253579871432 is a wasteful number, since it uses less digits than its factorization.

77253579871432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128461 (or 128457 counting only the distinct ones).

The product of its digits is 622339200, while the sum is 70.

The spelling of 77253579871432 in words is "seventy-seven trillion, two hundred fifty-three billion, five hundred seventy-nine million, eight hundred seventy-one thousand, four hundred thirty-two".