77461461446 has 16 divisors (see below), whose sum is σ = 117094863600. Its totient is φ = 38429919840.

The previous prime is 77461461443. The next prime is 77461461523. The reversal of 77461461446 is 64416416477.

It is a junction number, because it is equal to n+sod(n) for n = 77461461394 and 77461461403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77461461443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2591780 + ... + 2621496.

It is an arithmetic number, because the mean of its divisors is an integer number (7318428975).

Almost surely, 2^77461461446 is an apocalyptic number.

77461461446 is a deficient number, since it is larger than the sum of its proper divisors (39633402154).

77461461446 is a wasteful number, since it uses less digits than its factorization.

77461461446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39799.

The product of its digits is 2709504, while the sum is 50.

The spelling of 77461461446 in words is "seventy-seven billion, four hundred sixty-one million, four hundred sixty-one thousand, four hundred forty-six".