76939919 has 8 divisors (see below), whose sum is σ = 89244288. Its totient is φ = 64963800.

The previous prime is 76939913. The next prime is 76939927. The reversal of 76939919 is 91993967.

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 76939919 - 2¹⁶ = 76874383 is a prime.

It is a super-2 number, since 2×76939919² = 11839502271453122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76939913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81557 + ... + 82494.

It is an arithmetic number, because the mean of its divisors is an integer number (11155536).

Almost surely, 2^76939919 is an apocalyptic number.

76939919 is a deficient number, since it is larger than the sum of its proper divisors (12304369).

76939919 is a wasteful number, since it uses less digits than its factorization.

76939919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164125.

The product of its digits is 826686, while the sum is 53.

The square root of 76939919 is about 8771.5402866315. The cubic root of 76939919 is about 425.3214067016.

The spelling of 76939919 in words is "seventy-six million, nine hundred thirty-nine thousand, nine hundred nineteen".