78313059025 has 6 divisors (see below), whose sum is σ = 97108193222. Its totient is φ = 62650447200.

The previous prime is 78313058987. The next prime is 78313059029. The reversal of 78313059025 is 52095031387.

It can be written as a sum of positive squares in 3 ways, for example, as 29495761 + 78283563264 = 5431^2 + 279792^2 .

It is not a de Polignac number, because 78313059025 - 2¹¹ = 78313056977 is a prime.

It is a super-2 number, since 2×78313059025² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78313059029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1566261156 + ... + 1566261205.

Almost surely, 2^78313059025 is an apocalyptic number.

It is an amenable number.

78313059025 is a deficient number, since it is larger than the sum of its proper divisors (18795134197).

78313059025 is a wasteful number, since it uses less digits than its factorization.

78313059025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3132522371 (or 3132522366 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 78313059025 in words is "seventy-eight billion, three hundred thirteen million, fifty-nine thousand, twenty-five".