7875007955 has 32 divisors (see below), whose sum is σ = 9755043840. Its totient is φ = 6100698240.

The previous prime is 7875007939. The next prime is 7875007963. The reversal of 7875007955 is 5597005787.

It is a happy number.

It is not a de Polignac number, because 7875007955 - 2⁴ = 7875007939 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 7875007897 and 7875007906.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6365597 + ... + 6366833.

It is an arithmetic number, because the mean of its divisors is an integer number (304845120).

Almost surely, 2^7875007955 is an apocalyptic number.

7875007955 is a deficient number, since it is larger than the sum of its proper divisors (1880035885).

7875007955 is a wasteful number, since it uses less digits than its factorization.

7875007955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619.

The product of its (nonzero) digits is 3087000, while the sum is 53.

The square root of 7875007955 is about 88741.2415678302. The cubic root of 7875007955 is about 1989.5292738612.

The spelling of 7875007955 in words is "seven billion, eight hundred seventy-five million, seven thousand, nine hundred fifty-five".