77647562741 has 12 divisors (see below), whose sum is σ = 90668348448. Its totient is φ = 65138975832.

The previous prime is 77647562723. The next prime is 77647562743. The reversal of 77647562741 is 14726574677.

It is not a de Polignac number, because 77647562741 - 2⁶ = 77647562677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77647562743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2495291 + ... + 2526216.

It is an arithmetic number, because the mean of its divisors is an integer number (7555695704).

Almost surely, 2^77647562741 is an apocalyptic number.

It is an amenable number.

77647562741 is a deficient number, since it is larger than the sum of its proper divisors (13020785707).

77647562741 is an equidigital number, since it uses as much as digits as its factorization.

77647562741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5021608 (or 5021561 counting only the distinct ones).

The product of its digits is 13829760, while the sum is 56.

The spelling of 77647562741 in words is "seventy-seven billion, six hundred forty-seven million, five hundred sixty-two thousand, seven hundred forty-one".