77232324431 has 8 divisors (see below), whose sum is σ = 78299469264. Its totient is φ = 76165427520.

The previous prime is 77232324413. The next prime is 77232324493. The reversal of 77232324431 is 13442323277.

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 77232324431 - 2¹⁴ = 77232308047 is a prime.

It is a super-2 number, since 2×77232324431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77232324731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 616241 + ... + 730901.

It is an arithmetic number, because the mean of its divisors is an integer number (9787433658).

Almost surely, 2^77232324431 is an apocalyptic number.

77232324431 is a deficient number, since it is larger than the sum of its proper divisors (1067144833).

77232324431 is a wasteful number, since it uses less digits than its factorization.

77232324431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123961.

The product of its digits is 169344, while the sum is 38.

The spelling of 77232324431 in words is "seventy-seven billion, two hundred thirty-two million, three hundred twenty-four thousand, four hundred thirty-one".