77099237481 has 32 divisors (see below), whose sum is σ = 118986363648. Its totient is φ = 43496570880.

The previous prime is 77099237473. The next prime is 77099237519. The reversal of 77099237481 is 18473299077.

It is not a de Polignac number, because 77099237481 - 2³ = 77099237473 is a prime.

It is a super-3 number, since 3×77099237481³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (77099237441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 546651 + ... + 673071.

It is an arithmetic number, because the mean of its divisors is an integer number (3718323864).

Almost surely, 2^77099237481 is an apocalyptic number.

It is an amenable number.

77099237481 is a deficient number, since it is larger than the sum of its proper divisors (41887126167).

77099237481 is a wasteful number, since it uses less digits than its factorization.

77099237481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126801.

The product of its (nonzero) digits is 5334336, while the sum is 57.

The spelling of 77099237481 in words is "seventy-seven billion, ninety-nine million, two hundred thirty-seven thousand, four hundred eighty-one".