76428611 has 4 divisors (see below), whose sum is σ = 87346992. Its totient is φ = 65510232.

The previous prime is 76428593. The next prime is 76428623. The reversal of 76428611 is 11682467.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76428611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76428691) 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, 5459180 + ... + 5459193.

It is an arithmetic number, because the mean of its divisors is an integer number (21836748).

Almost surely, 2^76428611 is an apocalyptic number.

76428611 is a deficient number, since it is larger than the sum of its proper divisors (10918381).

76428611 is a wasteful number, since it uses less digits than its factorization.

76428611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10918380.

The product of its digits is 16128, while the sum is 35.

The square root of 76428611 is about 8742.3458522298. The cubic root of 76428611 is about 424.3771471481.

The spelling of 76428611 in words is "seventy-six million, four hundred twenty-eight thousand, six hundred eleven".