7865722950 has 48 divisors (see below), whose sum is σ = 19798167360. Its totient is φ = 2066217120.

The previous prime is 7865722939. The next prime is 7865722957. The reversal of 7865722950 is 592275687.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7865722893 and 7865722902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7865722957) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 381280 + ... + 401379.

It is an arithmetic number, because the mean of its divisors is an integer number (412461820).

Almost surely, 2^7865722950 is an apocalyptic number.

7865722950 is an abundant number, since it is smaller than the sum of its proper divisors (11932444410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7865722950 is a wasteful number, since it uses less digits than its factorization.

7865722950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782741 (or 782736 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 51.

The square root of 7865722950 is about 88688.9110881400. The cubic root of 7865722950 is about 1988.7470501387.

The spelling of 7865722950 in words is "seven billion, eight hundred sixty-five million, seven hundred twenty-two thousand, nine hundred fifty".