247875393795395 has 32 divisors (see below), whose sum is σ = 308103969438720. Its totient is φ = 191215757416320.

The previous prime is 247875393795361. The next prime is 247875393795467. The reversal of 247875393795395 is 593597393578742.

It is not a de Polignac number, because 247875393795395 - 2²⁰ = 247875392746819 is a prime.

It is a super-2 number, since 2×247875393795395² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 377572922 + ... + 378228848.

It is an arithmetic number, because the mean of its divisors is an integer number (9628249044960).

Almost surely, 2^{247875393795395} is an apocalyptic number.

247875393795395 is a deficient number, since it is larger than the sum of its proper divisors (60228575643325).

247875393795395 is a wasteful number, since it uses less digits than its factorization.

247875393795395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659315.

The product of its digits is 54010152000, while the sum is 86.

Adding to 247875393795395 its sum of digits (86), we get a square (247875393795481 = 15744059²).

The spelling of 247875393795395 in words is "two hundred forty-seven trillion, eight hundred seventy-five billion, three hundred ninety-three million, seven hundred ninety-five thousand, three hundred ninety-five".