77335673452 has 6 divisors (see below), whose sum is σ = 135337428548. Its totient is φ = 38667836724.

The previous prime is 77335673413. The next prime is 77335673507. The reversal of 77335673452 is 25437653377.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 77335673452.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9666959178 + ... + 9666959185.

Almost surely, 2^77335673452 is an apocalyptic number.

It is an amenable number.

77335673452 is a deficient number, since it is larger than the sum of its proper divisors (58001755096).

77335673452 is a wasteful number, since it uses less digits than its factorization.

77335673452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19333918367 (or 19333918365 counting only the distinct ones).

The product of its digits is 11113200, while the sum is 52.

The spelling of 77335673452 in words is "seventy-seven billion, three hundred thirty-five million, six hundred seventy-three thousand, four hundred fifty-two".