77738334 has 8 divisors (see below), whose sum is σ = 155476680. Its totient is φ = 25912776.

The previous prime is 77738317. The next prime is 77738407. The reversal of 77738334 is 43383777.

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

77738334 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6478189 + ... + 6478200.

It is an arithmetic number, because the mean of its divisors is an integer number (19434585).

Almost surely, 2^77738334 is an apocalyptic number.

77738334 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77738334 is a wasteful number, since it uses less digits than its factorization.

77738334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12956394.

The product of its digits is 296352, while the sum is 42.

The square root of 77738334 is about 8816.9345012878. The cubic root of 77738334 is about 426.7875510610.

The spelling of 77738334 in words is "seventy-seven million, seven hundred thirty-eight thousand, three hundred thirty-four".