77239348 has 12 divisors (see below), whose sum is σ = 135533860. Its totient is φ = 38515392.

The previous prime is 77239333. The next prime is 77239399. The reversal of 77239348 is 84393277.

It can be written as a sum of positive squares in 2 ways, for example, as 42876304 + 34363044 = 6548^2 + 5862^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 24393 + ... + 27376.

Almost surely, 2^77239348 is an apocalyptic number.

It is an amenable number.

77239348 is a deficient number, since it is larger than the sum of its proper divisors (58294512).

77239348 is a wasteful number, since it uses less digits than its factorization.

77239348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52146 (or 52144 counting only the distinct ones).

The product of its digits is 254016, while the sum is 43.

The square root of 77239348 is about 8788.5919236246. The cubic root of 77239348 is about 425.8724371379.

It can be divided in two parts, 7723 and 9348, that added together give a palindrome (17071).

The spelling of 77239348 in words is "seventy-seven million, two hundred thirty-nine thousand, three hundred forty-eight".