7885875992 has 8 divisors (see below), whose sum is σ = 14786017500. Its totient is φ = 3942937992.

The previous prime is 7885875961. The next prime is 7885875997. The reversal of 7885875992 is 2995785887.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×7885875992² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7885875997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492867242 + ... + 492867257.

Almost surely, 2^7885875992 is an apocalyptic number.

It is an amenable number.

7885875992 is a deficient number, since it is larger than the sum of its proper divisors (6900141508).

7885875992 is a wasteful number, since it uses less digits than its factorization.

7885875992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985734505 (or 985734501 counting only the distinct ones).

The product of its digits is 101606400, while the sum is 68.

The square root of 7885875992 is about 88802.4548759774. The cubic root of 7885875992 is about 1990.4440809223. Note that the first 3 decimals are identical.

The spelling of 7885875992 in words is "seven billion, eight hundred eighty-five million, eight hundred seventy-five thousand, nine hundred ninety-two".