7161772084 has 6 divisors (see below), whose sum is σ = 12533101154. Its totient is φ = 3580886040.

The previous prime is 7161772073. The next prime is 7161772147. The reversal of 7161772084 is 4802771617.

It can be written as a sum of positive squares in only one way, i.e., 6339344400 + 822427684 = 79620^2 + 28678^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7161772084.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 895221507 + ... + 895221514.

Almost surely, 2^7161772084 is an apocalyptic number.

It is an amenable number.

7161772084 is a deficient number, since it is larger than the sum of its proper divisors (5371329070).

7161772084 is a wasteful number, since it uses less digits than its factorization.

7161772084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790443025 (or 1790443023 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 43.

The square root of 7161772084 is about 84627.2537897810. The cubic root of 7161772084 is about 1927.5552357129. Note that the first 3 decimals are identical.

The spelling of 7161772084 in words is "seven billion, one hundred sixty-one million, seven hundred seventy-two thousand, eighty-four".