76523814921 has 8 divisors (see below), whose sum is σ = 102038784480. Its totient is φ = 51012360992.

The previous prime is 76523814907. The next prime is 76523814953. The reversal of 76523814921 is 12941832567.

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 76523814921 - 2¹⁹ = 76523290633 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (76523814121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 827691 + ... + 915488.

It is an arithmetic number, because the mean of its divisors is an integer number (12754848060).

Almost surely, 2^76523814921 is an apocalyptic number.

It is an amenable number.

76523814921 is a deficient number, since it is larger than the sum of its proper divisors (25514969559).

76523814921 is a wasteful number, since it uses less digits than its factorization.

76523814921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757815.

The product of its digits is 725760, while the sum is 48.

The spelling of 76523814921 in words is "seventy-six billion, five hundred twenty-three million, eight hundred fourteen thousand, nine hundred twenty-one".