7965690870 has 64 divisors (see below), whose sum is σ = 19984343040. Its totient is φ = 2029622400.

The previous prime is 7965690793. The next prime is 7965690871. The reversal of 7965690870 is 780965697.

It is a self number, because there is not a number n which added to its sum of digits gives 7965690870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7965690871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19260 + ... + 127680.

It is an arithmetic number, because the mean of its divisors is an integer number (312255360).

Almost surely, 2^7965690870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7965690870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9992171520).

7965690870 is an abundant number, since it is smaller than the sum of its proper divisors (12018652170).

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

7965690870 is a wasteful number, since it uses less digits than its factorization.

7965690870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108541.

The product of its (nonzero) digits is 5715360, while the sum is 57.

The square root of 7965690870 is about 89250.7191567665. The cubic root of 7965690870 is about 1997.1368088576.

The spelling of 7965690870 in words is "seven billion, nine hundred sixty-five million, six hundred ninety thousand, eight hundred seventy".