75916939957 has 16 divisors (see below), whose sum is σ = 78852096000. Its totient is φ = 73012687920.

The previous prime is 75916939801. The next prime is 75916939991. The reversal of 75916939957 is 75993961957.

It is a cyclic number.

It is not a de Polignac number, because 75916939957 - 2¹⁹ = 75916415669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75916939997) 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, 12243544 + ... + 12249742.

It is an arithmetic number, because the mean of its divisors is an integer number (4928256000).

Almost surely, 2^75916939957 is an apocalyptic number.

It is an amenable number.

75916939957 is a deficient number, since it is larger than the sum of its proper divisors (2935156043).

75916939957 is a wasteful number, since it uses less digits than its factorization.

75916939957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8616.

The product of its digits is 144670050, while the sum is 70.

The spelling of 75916939957 in words is "seventy-five billion, nine hundred sixteen million, nine hundred thirty-nine thousand, nine hundred fifty-seven".