7866390950 has 24 divisors (see below), whose sum is σ = 15961623480. Its totient is φ = 2860505600.

The previous prime is 7866390937. The next prime is 7866390967. The reversal of 7866390950 is 590936687.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7866390892 and 7866390901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7150715 + ... + 7151814.

It is an arithmetic number, because the mean of its divisors is an integer number (665067645).

Almost surely, 2^7866390950 is an apocalyptic number.

7866390950 is an abundant number, since it is smaller than the sum of its proper divisors (8095232530).

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

7866390950 is a wasteful number, since it uses less digits than its factorization.

7866390950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14302552 (or 14302547 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 53.

The square root of 7866390950 is about 88692.6769806843. The cubic root of 7866390950 is about 1988.8033469527.

The spelling of 7866390950 in words is "seven billion, eight hundred sixty-six million, three hundred ninety thousand, nine hundred fifty".