253275528278 has 8 divisors (see below), whose sum is σ = 399908728920. Its totient is φ = 119972618640.

The previous prime is 253275528271. The next prime is 253275528307. The reversal of 253275528278 is 872825572352.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253275528271) 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, 3332572703 + ... + 3332572778.

It is an arithmetic number, because the mean of its divisors is an integer number (49988591115).

Almost surely, 2^253275528278 is an apocalyptic number.

253275528278 is a deficient number, since it is larger than the sum of its proper divisors (146633200642).

253275528278 is a wasteful number, since it uses less digits than its factorization.

253275528278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6665145502.

The product of its digits is 18816000, while the sum is 56.

The spelling of 253275528278 in words is "two hundred fifty-three billion, two hundred seventy-five million, five hundred twenty-eight thousand, two hundred seventy-eight".