77532943496 has 8 divisors (see below), whose sum is σ = 145374269070. Its totient is φ = 38766471744.

The previous prime is 77532943429. The next prime is 77532943517. The reversal of 77532943496 is 69434923577.

It can be written as a sum of positive squares in only one way, i.e., 44695879396 + 32837064100 = 211414^2 + 181210^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×77532943496² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4845808961 + ... + 4845808976.

Almost surely, 2^77532943496 is an apocalyptic number.

It is an amenable number.

77532943496 is a deficient number, since it is larger than the sum of its proper divisors (67841325574).

77532943496 is a wasteful number, since it uses less digits than its factorization.

77532943496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9691617943 (or 9691617939 counting only the distinct ones).

The product of its digits is 34292160, while the sum is 59.

The spelling of 77532943496 in words is "seventy-seven billion, five hundred thirty-two million, nine hundred forty-three thousand, four hundred ninety-six".