76921211 has 4 divisors (see below), whose sum is σ = 77311872. Its totient is φ = 76530552.

The previous prime is 76921193. The next prime is 76921213. The reversal of 76921211 is 11212967.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 76921211 - 2¹⁴ = 76904827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76921213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195035 + ... + 195428.

It is an arithmetic number, because the mean of its divisors is an integer number (19327968).

Almost surely, 2^76921211 is an apocalyptic number.

76921211 is a deficient number, since it is larger than the sum of its proper divisors (390661).

76921211 is a wasteful number, since it uses less digits than its factorization.

76921211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390660.

The product of its digits is 1512, while the sum is 29.

The square root of 76921211 is about 8770.4738184433. The cubic root of 76921211 is about 425.2869314990.

The spelling of 76921211 in words is "seventy-six million, nine hundred twenty-one thousand, two hundred eleven".