7825401255 has 16 divisors (see below), whose sum is σ = 14309305344. Its totient is φ = 3577326240.

The previous prime is 7825401239. The next prime is 7825401281. The reversal of 7825401255 is 5521045287.

It is not a de Polignac number, because 7825401255 - 2⁴ = 7825401239 is a prime.

It is a super-2 number, since 2×7825401255² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37263711 + ... + 37263920.

It is an arithmetic number, because the mean of its divisors is an integer number (894331584).

Almost surely, 2^7825401255 is an apocalyptic number.

7825401255 is a deficient number, since it is larger than the sum of its proper divisors (6483904089).

7825401255 is a wasteful number, since it uses less digits than its factorization.

7825401255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74527646.

The product of its (nonzero) digits is 112000, while the sum is 39.

The square root of 7825401255 is about 88461.2980630513. The cubic root of 7825401255 is about 1985.3429524586.

The spelling of 7825401255 in words is "seven billion, eight hundred twenty-five million, four hundred one thousand, two hundred fifty-five".