7961958050 has 18 divisors (see below), whose sum is σ = 14810415633. Its totient is φ = 3184530840.

The previous prime is 7961958023. The next prime is 7961958073. The reversal of 7961958050 is 508591697.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7802718889 + 159239161 = 88333^2 + 12619^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=63095.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7961958050.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 624641 + ... + 637259.

Almost surely, 2^7961958050 is an apocalyptic number.

7961958050 is a deficient number, since it is larger than the sum of its proper divisors (6848457583).

7961958050 is an frugal number, since it uses more digits than its factorization.

7961958050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25250 (or 12626 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 50.

The square root of 7961958050 is about 89229.8047179304. The cubic root of 7961958050 is about 1996.8247992177.

Multiplying 7961958050 by its sum of digits (50), we get a square (398097902500 = 630950²).

7961958050 divided by its sum of digits (50) gives a square (159239161 = 12619²).

The spelling of 7961958050 in words is "seven billion, nine hundred sixty-one million, nine hundred fifty-eight thousand, fifty".