75443375723077 has 16 divisors (see below), whose sum is σ = 78256657207872. Its totient is φ = 72685072736640.

The previous prime is 75443375723057. The next prime is 75443375723083. The reversal of 75443375723077 is 77032757334457.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75443375723077 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 (75443375723057) 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, 39860299 + ... + 41710072.

It is an arithmetic number, because the mean of its divisors is an integer number (4891041075492).

Almost surely, 2^{75443375723077} is an apocalyptic number.

It is an amenable number.

75443375723077 is a deficient number, since it is larger than the sum of its proper divisors (2813281484795).

75443375723077 is a wasteful number, since it uses less digits than its factorization.

75443375723077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81570708.

The product of its (nonzero) digits is 363031200, while the sum is 64.

The spelling of 75443375723077 in words is "seventy-five trillion, four hundred forty-three billion, three hundred seventy-five million, seven hundred twenty-three thousand, seventy-seven".