77464431596997 has 8 divisors (see below), whose sum is σ = 114762120884480. Its totient is φ = 51642954397980.

The previous prime is 77464431596917. The next prime is 77464431597031. The reversal of 77464431596997 is 79969513446477.

77464431596997 is a `hidden beast` number, since 7 + 7 + 4 + 6 + 4 + 431 + 5 + 96 + 9 + 97 = 666.

It is not a de Polignac number, because 77464431596997 - 2¹⁸ = 77464431334853 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 (77464431596917) 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, 1434526511029 + ... + 1434526511082.

It is an arithmetic number, because the mean of its divisors is an integer number (14345265110560).

Almost surely, 2^{77464431596997} is an apocalyptic number.

It is an amenable number.

77464431596997 is a deficient number, since it is larger than the sum of its proper divisors (37297689287483).

77464431596997 is a wasteful number, since it uses less digits than its factorization.

77464431596997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2869053022120 (or 2869053022114 counting only the distinct ones).

The product of its digits is 8641624320, while the sum is 81.

The spelling of 77464431596997 in words is "seventy-seven trillion, four hundred sixty-four billion, four hundred thirty-one million, five hundred ninety-six thousand, nine hundred ninety-seven".