78241158471530 has 24 divisors (see below), whose sum is σ = 144352842912396. Its totient is φ = 30533135006720.

The previous prime is 78241158471499. The next prime is 78241158471559. The reversal of 78241158471530 is 3517485114287.

78241158471530 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 748860044689 + 77492298426841 = 865367^2 + 8802971^2 .

It is a super-2 number, since 2×78241158471530² (a number of 29 digits) contains 22 as substring.

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, 2327203847 + ... + 2327237466.

Almost surely, 2^{78241158471530} is an apocalyptic number.

78241158471530 is a deficient number, since it is larger than the sum of its proper divisors (66111684440866).

78241158471530 is a wasteful number, since it uses less digits than its factorization.

78241158471530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4654441402 (or 4654441361 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 56.

The spelling of 78241158471530 in words is "seventy-eight trillion, two hundred forty-one billion, one hundred fifty-eight million, four hundred seventy-one thousand, five hundred thirty".