255197847974 has 8 divisors (see below), whose sum is σ = 387642300960. Its totient is φ = 125983747656.

The previous prime is 255197847973. The next prime is 255197848013. The reversal of 255197847974 is 479748791552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×255197847974² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255197847973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 807587969 + ... + 807588284.

It is an arithmetic number, because the mean of its divisors is an integer number (48455287620).

Almost surely, 2^255197847974 is an apocalyptic number.

255197847974 is a deficient number, since it is larger than the sum of its proper divisors (132444452986).

255197847974 is a wasteful number, since it uses less digits than its factorization.

255197847974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615176334.

The product of its digits is 177811200, while the sum is 68.

It can be divided in two parts, 2551978 and 47974, that added together give a palindrome (2599952).

The spelling of 255197847974 in words is "two hundred fifty-five billion, one hundred ninety-seven million, eight hundred forty-seven thousand, nine hundred seventy-four".