76227564421 has 8 divisors (see below), whose sum is σ = 78721300224. Its totient is φ = 73736002560.

The previous prime is 76227564419. The next prime is 76227564437. The reversal of 76227564421 is 12446572267.

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 76227564421 - 2¹ = 76227564419 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 (76227564221) 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, 472060 + ... + 612613.

It is an arithmetic number, because the mean of its divisors is an integer number (9840162528).

Almost surely, 2^76227564421 is an apocalyptic number.

It is an amenable number.

76227564421 is a deficient number, since it is larger than the sum of its proper divisors (2493735803).

76227564421 is a wasteful number, since it uses less digits than its factorization.

76227564421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086971.

The product of its digits is 1128960, while the sum is 46.

The spelling of 76227564421 in words is "seventy-six billion, two hundred twenty-seven million, five hundred sixty-four thousand, four hundred twenty-one".