7255087478 has 8 divisors (see below), whose sum is σ = 11355789168. Its totient is φ = 3469824424.

The previous prime is 7255087459. The next prime is 7255087507. The reversal of 7255087478 is 8747805527.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78859601 + ... + 78859692.

It is an arithmetic number, because the mean of its divisors is an integer number (1419473646).

Almost surely, 2^7255087478 is an apocalyptic number.

7255087478 is a deficient number, since it is larger than the sum of its proper divisors (4100701690).

7255087478 is a wasteful number, since it uses less digits than its factorization.

7255087478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157719318.

The product of its (nonzero) digits is 4390400, while the sum is 53.

The square root of 7255087478 is about 85176.8012900226. The cubic root of 7255087478 is about 1935.8909271004.

The spelling of 7255087478 in words is "seven billion, two hundred fifty-five million, eighty-seven thousand, four hundred seventy-eight".