77032163973 has 16 divisors (see below), whose sum is σ = 102981978176. Its totient is φ = 51218645760.

The previous prime is 77032163933. The next prime is 77032164049. The reversal of 77032163973 is 37936123077.

It is not a de Polignac number, because 77032163973 - 2²¹ = 77030066821 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 (77032163933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4591386 + ... + 4608132.

It is an arithmetic number, because the mean of its divisors is an integer number (6436373636).

Almost surely, 2^77032163973 is an apocalyptic number.

It is an amenable number.

77032163973 is a deficient number, since it is larger than the sum of its proper divisors (25949814203).

77032163973 is a wasteful number, since it uses less digits than its factorization.

77032163973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20724.

The product of its (nonzero) digits is 1000188, while the sum is 48.

The spelling of 77032163973 in words is "seventy-seven billion, thirty-two million, one hundred sixty-three thousand, nine hundred seventy-three".