77605504652 has 24 divisors (see below), whose sum is σ = 146350495200. Its totient is φ = 35794912896.

The previous prime is 77605504651. The next prime is 77605504741. The reversal of 77605504652 is 25640550677.

It is a super-2 number, since 2×77605504652² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 77605504597 and 77605504606.

It is not an unprimeable number, because it can be changed into a prime (77605504651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397577 + ... + 559712.

It is an arithmetic number, because the mean of its divisors is an integer number (6097937300).

Almost surely, 2^77605504652 is an apocalyptic number.

It is an amenable number.

77605504652 is a deficient number, since it is larger than the sum of its proper divisors (68744990548).

77605504652 is a wasteful number, since it uses less digits than its factorization.

77605504652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958865 (or 958863 counting only the distinct ones).

The product of its (nonzero) digits is 1764000, while the sum is 47.

The spelling of 77605504652 in words is "seventy-seven billion, six hundred five million, five hundred four thousand, six hundred fifty-two".