7855164790 has 64 divisors (see below), whose sum is σ = 15591502080. Its totient is φ = 2825680000.

The previous prime is 7855164743. The next prime is 7855164797. The reversal of 7855164790 is 974615587.

It is a super-2 number, since 2×7855164790² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7855164797) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 6037140 + ... + 6038440.

It is an arithmetic number, because the mean of its divisors is an integer number (243617220).

Almost surely, 2^7855164790 is an apocalyptic number.

7855164790 is a deficient number, since it is larger than the sum of its proper divisors (7736337290).

7855164790 is a wasteful number, since it uses less digits than its factorization.

7855164790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1869.

The product of its (nonzero) digits is 2116800, while the sum is 52.

The square root of 7855164790 is about 88629.3675369513. The cubic root of 7855164790 is about 1987.8568199723.

It can be divided in two parts, 78551 and 64790, that added together give a palindrome (143341).

The spelling of 7855164790 in words is "seven billion, eight hundred fifty-five million, one hundred sixty-four thousand, seven hundred ninety".