73885709977977 has 16 divisors (see below), whose sum is σ = 99481625812800. Its totient is φ = 48775098340800.

The previous prime is 73885709977957. The next prime is 73885709978063. The reversal of 73885709977977 is 77977990758837.

It is not a de Polignac number, because 73885709977977 - 2⁸ = 73885709977721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73885709977957) 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, 203728102 + ... + 204090447.

It is an arithmetic number, because the mean of its divisors is an integer number (6217601613300).

Almost surely, 2^{73885709977977} is an apocalyptic number.

It is an amenable number.

73885709977977 is a deficient number, since it is larger than the sum of its proper divisors (25595915834823).

73885709977977 is a wasteful number, since it uses less digits than its factorization.

73885709977977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407819144.

The product of its (nonzero) digits is 82335476160, while the sum is 93.

The spelling of 73885709977977 in words is "seventy-three trillion, eight hundred eighty-five billion, seven hundred nine million, nine hundred seventy-seven thousand, nine hundred seventy-seven".