77732551446344 has 16 divisors (see below), whose sum is σ = 145755369555120. Its totient is φ = 38864452898320.

The previous prime is 77732551446311. The next prime is 77732551446349. The reversal of 77732551446344 is 44364415523777.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (77732551446349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227671862 + ... + 228013029.

It is an arithmetic number, because the mean of its divisors is an integer number (9109710597195).

Almost surely, 2^{77732551446344} is an apocalyptic number.

It is an amenable number.

77732551446344 is a deficient number, since it is larger than the sum of its proper divisors (68022818108776).

77732551446344 is a wasteful number, since it uses less digits than its factorization.

77732551446344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455706220 (or 455706216 counting only the distinct ones).

The product of its digits is 237081600, while the sum is 62.

The spelling of 77732551446344 in words is "seventy-seven trillion, seven hundred thirty-two billion, five hundred fifty-one million, four hundred forty-six thousand, three hundred forty-four".