77036464107646 has 32 divisors (see below), whose sum is σ = 120760870855680. Its totient is φ = 36821045663136.

The previous prime is 77036464107637. The next prime is 77036464107661. The reversal of 77036464107646 is 64670146463077.

It is a super-2 number, since 2×77036464107646² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174422140 + ... + 174863248.

It is an arithmetic number, because the mean of its divisors is an integer number (3773777214240).

Almost surely, 2^{77036464107646} is an apocalyptic number.

77036464107646 is a deficient number, since it is larger than the sum of its proper divisors (43724406748034).

77036464107646 is a wasteful number, since it uses less digits than its factorization.

77036464107646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484408.

The product of its (nonzero) digits is 85349376, while the sum is 61.

The spelling of 77036464107646 in words is "seventy-seven trillion, thirty-six billion, four hundred sixty-four million, one hundred seven thousand, six hundred forty-six".