7961036028 has 96 divisors (see below), whose sum is σ = 20691417600. Its totient is φ = 2362080000.

The previous prime is 7961035981. The next prime is 7961036077. The reversal of 7961036028 is 8206301697.

It is a happy number.

It is a super-2 number, since 2×7961036028² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1393578 + ... + 1399278.

It is an arithmetic number, because the mean of its divisors is an integer number (215535600).

Almost surely, 2^7961036028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7961036028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10345708800).

7961036028 is an abundant number, since it is smaller than the sum of its proper divisors (12730381572).

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

7961036028 is a wasteful number, since it uses less digits than its factorization.

7961036028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5939 (or 5937 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 7961036028 is about 89224.6380099129. The cubic root of 7961036028 is about 1996.7477165261.

The spelling of 7961036028 in words is "seven billion, nine hundred sixty-one million, thirty-six thousand, twenty-eight".