77114531439 has 16 divisors (see below), whose sum is σ = 124629546240. Its totient is φ = 46736079480.

The previous prime is 77114531437. The next prime is 77114531441. The reversal of 77114531439 is 93413541177.

77114531439 is a `hidden beast` number, since 7 + 71 + 1 + 4 + 531 + 43 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (77114531437) and next prime (77114531441).

It is not a de Polignac number, because 77114531439 - 2¹ = 77114531437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77114531394 and 77114531403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77114531437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129822147 + ... + 129822740.

It is an arithmetic number, because the mean of its divisors is an integer number (7789346640).

Almost surely, 2^77114531439 is an apocalyptic number.

77114531439 is a deficient number, since it is larger than the sum of its proper divisors (47515014801).

77114531439 is a wasteful number, since it uses less digits than its factorization.

77114531439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259644907 (or 259644901 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The spelling of 77114531439 in words is "seventy-seven billion, one hundred fourteen million, five hundred thirty-one thousand, four hundred thirty-nine".