247875393795404 has 6 divisors (see below), whose sum is σ = 433781939141964. Its totient is φ = 123937696897700.

The previous prime is 247875393795361. The next prime is 247875393795467. The reversal of 247875393795404 is 404597393578742.

It is a super-2 number, since 2×247875393795404² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30984424224422 + ... + 30984424224429.

It is an arithmetic number, because the mean of its divisors is an integer number (72296989856994).

Almost surely, 2^{247875393795404} is an apocalyptic number.

It is an amenable number.

247875393795404 is a deficient number, since it is larger than the sum of its proper divisors (185906545346560).

247875393795404 is a wasteful number, since it uses less digits than its factorization.

247875393795404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61968848448855 (or 61968848448853 counting only the distinct ones).

The product of its (nonzero) digits is 6401203200, while the sum is 77.

Adding to 247875393795404 its sum of digits (77), we get a square (247875393795481 = 15744059²).

The spelling of 247875393795404 in words is "two hundred forty-seven trillion, eight hundred seventy-five billion, three hundred ninety-three million, seven hundred ninety-five thousand, four hundred four".