77234456131503 has 24 divisors (see below), whose sum is σ = 113192654716848. Its totient is φ = 46808530032000.

The previous prime is 77234456131451. The next prime is 77234456131541. The reversal of 77234456131503 is 30513165443277.

It is not a de Polignac number, because 77234456131503 - 2¹⁰ = 77234456130479 is a prime.

It is a super-2 number, since 2×77234456131503² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77234456131543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98942913 + ... + 99720453.

It is an arithmetic number, because the mean of its divisors is an integer number (4716360613202).

Almost surely, 2^{77234456131503} is an apocalyptic number.

77234456131503 is a deficient number, since it is larger than the sum of its proper divisors (35958198585345).

77234456131503 is a wasteful number, since it uses less digits than its factorization.

77234456131503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051207 (or 1051196 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 51.

The spelling of 77234456131503 in words is "seventy-seven trillion, two hundred thirty-four billion, four hundred fifty-six million, one hundred thirty-one thousand, five hundred three".