76891423 has 8 divisors (see below), whose sum is σ = 92501120. Its totient is φ = 62438040.

The previous prime is 76891379. The next prime is 76891429. The reversal of 76891423 is 32419867.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-76891423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76891429) 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, 288933 + ... + 289198.

It is an arithmetic number, because the mean of its divisors is an integer number (11562640).

Almost surely, 2^76891423 is an apocalyptic number.

76891423 is a deficient number, since it is larger than the sum of its proper divisors (15609697).

76891423 is a wasteful number, since it uses less digits than its factorization.

76891423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578157.

The product of its digits is 72576, while the sum is 40.

The square root of 76891423 is about 8768.7754561284. The cubic root of 76891423 is about 425.2320264752.

The spelling of 76891423 in words is "seventy-six million, eight hundred ninety-one thousand, four hundred twenty-three".