77761381130124 has 12 divisors (see below), whose sum is σ = 181443222636984. Its totient is φ = 25920460376704.

The previous prime is 77761381130107. The next prime is 77761381130141. The reversal of 77761381130124 is 42103118316777.

It is an interprime number because it is at equal distance from previous prime (77761381130107) and next prime (77761381130141).

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3240057547077 + ... + 3240057547100.

It is an arithmetic number, because the mean of its divisors is an integer number (15120268553082).

Almost surely, 2^{77761381130124} is an apocalyptic number.

It is an amenable number.

77761381130124 is an abundant number, since it is smaller than the sum of its proper divisors (103681841506860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77761381130124 is a wasteful number, since it uses less digits than its factorization.

77761381130124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6480115094184 (or 6480115094182 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 51.

The spelling of 77761381130124 in words is "seventy-seven trillion, seven hundred sixty-one billion, three hundred eighty-one million, one hundred thirty thousand, one hundred twenty-four".