77341387158 has 24 divisors (see below), whose sum is σ = 191512006608. Its totient is φ = 22097539152.

The previous prime is 77341387141. The next prime is 77341387169. The reversal of 77341387158 is 85178314377.

77341387158 is a `hidden beast` number, since 7 + 73 + 41 + 387 + 158 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 306910141 + ... + 306910392.

It is an arithmetic number, because the mean of its divisors is an integer number (7979666942).

Almost surely, 2^77341387158 is an apocalyptic number.

77341387158 is an abundant number, since it is smaller than the sum of its proper divisors (114170619450).

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

77341387158 is a wasteful number, since it uses less digits than its factorization.

77341387158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613820548 (or 613820545 counting only the distinct ones).

The product of its digits is 3951360, while the sum is 54.

The spelling of 77341387158 in words is "seventy-seven billion, three hundred forty-one million, three hundred eighty-seven thousand, one hundred fifty-eight".