7800406275 has 24 divisors (see below), whose sum is σ = 12899643120. Its totient is φ = 4159258240.

The previous prime is 7800406253. The next prime is 7800406297. The reversal of 7800406275 is 5726040087.

It is an interprime number because it is at equal distance from previous prime (7800406253) and next prime (7800406297).

It is not a de Polignac number, because 7800406275 - 2⁹ = 7800405763 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 417841 + ... + 436109.

It is an arithmetic number, because the mean of its divisors is an integer number (537485130).

Almost surely, 2^7800406275 is an apocalyptic number.

7800406275 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

7800406275 is a deficient number, since it is larger than the sum of its proper divisors (5099236845).

7800406275 is a wasteful number, since it uses less digits than its factorization.

7800406275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23975 (or 23970 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 7800406275 is about 88319.9087125887. The cubic root of 7800406275 is about 1983.2269146268.

The spelling of 7800406275 in words is "seven billion, eight hundred million, four hundred six thousand, two hundred seventy-five".