76617475197121 has 8 divisors (see below), whose sum is σ = 83921778106920. Its totient is φ = 69623993687808.

The previous prime is 76617475197103. The next prime is 76617475197139. The reversal of 76617475197121 is 12179157471667.

It is an interprime number because it is at equal distance from previous prime (76617475197103) and next prime (76617475197139).

It can be written as a sum of positive squares in 4 ways, for example, as 2811524097600 + 73805951099521 = 1676760^2 + 8591039^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76617475197121 - 2³⁵ = 76583115458753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76617475197161) 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, 77705349606 + ... + 77705350591.

It is an arithmetic number, because the mean of its divisors is an integer number (10490222263365).

Almost surely, 2^{76617475197121} is an apocalyptic number.

It is an amenable number.

76617475197121 is a deficient number, since it is larger than the sum of its proper divisors (7304302909799).

76617475197121 is a wasteful number, since it uses less digits than its factorization.

76617475197121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155410700243.

The product of its digits is 31116960, while the sum is 64.

The spelling of 76617475197121 in words is "seventy-six trillion, six hundred seventeen billion, four hundred seventy-five million, one hundred ninety-seven thousand, one hundred twenty-one".