77044271432 has 16 divisors (see below), whose sum is σ = 144487378800. Its totient is φ = 38514303760.

The previous prime is 77044271401. The next prime is 77044271443. The reversal of 77044271432 is 23417244077.

It is a self number, because there is not a number n which added to its sum of digits gives 77044271432.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 937082 + ... + 1015977.

It is an arithmetic number, because the mean of its divisors is an integer number (9030461175).

Almost surely, 2^77044271432 is an apocalyptic number.

It is an amenable number.

77044271432 is a deficient number, since it is larger than the sum of its proper divisors (67443107368).

77044271432 is a wasteful number, since it uses less digits than its factorization.

77044271432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957996 (or 1957992 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 41.

The spelling of 77044271432 in words is "seventy-seven billion, forty-four million, two hundred seventy-one thousand, four hundred thirty-two".