76461157461221 has 8 divisors (see below), whose sum is σ = 82363774762080. Its totient is φ = 70561538703792.

The previous prime is 76461157461149. The next prime is 76461157461233. The reversal of 76461157461221 is 12216475116467.

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 76461157461221 - 2³⁸ = 76186279554277 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 (76461157481221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 749582891 + ... + 749684888.

It is an arithmetic number, because the mean of its divisors is an integer number (10295471845260).

Almost surely, 2^{76461157461221} is an apocalyptic number.

It is an amenable number.

76461157461221 is a deficient number, since it is larger than the sum of its proper divisors (5902617300859).

76461157461221 is a wasteful number, since it uses less digits than its factorization.

76461157461221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499271715.

The product of its digits is 3386880, while the sum is 53.

The spelling of 76461157461221 in words is "seventy-six trillion, four hundred sixty-one billion, one hundred fifty-seven million, four hundred sixty-one thousand, two hundred twenty-one".