3278257778253 has 8 divisors (see below), whose sum is σ = 4409691879168. Its totient is φ = 2166164431424.

The previous prime is 3278257778249. The next prime is 3278257778291. The reversal of 3278257778253 is 3528777528723.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3278257778253 - 2² = 3278257778249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3278257778203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4835188125 + ... + 4835188802.

It is an arithmetic number, because the mean of its divisors is an integer number (551211484896).

Almost surely, 2^{3278257778253} is an apocalyptic number.

It is an amenable number.

3278257778253 is a deficient number, since it is larger than the sum of its proper divisors (1131434100915).

3278257778253 is a wasteful number, since it uses less digits than its factorization.

3278257778253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9670377043.

The product of its digits is 276595200, while the sum is 66.

The spelling of 3278257778253 in words is "three trillion, two hundred seventy-eight billion, two hundred fifty-seven million, seven hundred seventy-eight thousand, two hundred fifty-three".