7778253275 has 48 divisors (see below), whose sum is σ = 10900344000. Its totient is φ = 5462899200.

The previous prime is 7778253233. The next prime is 7778253277. The reversal of 7778253275 is 5723528777.

It is not a de Polignac number, because 7778253275 - 2⁶ = 7778253211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7778253277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1350101 + ... + 1355849.

It is an arithmetic number, because the mean of its divisors is an integer number (227090500).

Almost surely, 2^7778253275 is an apocalyptic number.

7778253275 is a deficient number, since it is larger than the sum of its proper divisors (3122090725).

7778253275 is a wasteful number, since it uses less digits than its factorization.

7778253275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5976 (or 5971 counting only the distinct ones).

The product of its digits is 5762400, while the sum is 53.

The square root of 7778253275 is about 88194.4061434737. The cubic root of 7778253275 is about 1981.3476927418.

The spelling of 7778253275 in words is "seven billion, seven hundred seventy-eight million, two hundred fifty-three thousand, two hundred seventy-five".