8420195036 has 12 divisors (see below), whose sum is σ = 16074917880. Its totient is φ = 3827361360.

The previous prime is 8420195023. The next prime is 8420195053. The reversal of 8420195036 is 6305910248.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95683991 + ... + 95684078.

It is an arithmetic number, because the mean of its divisors is an integer number (1339576490).

Almost surely, 2^8420195036 is an apocalyptic number.

It is an amenable number.

8420195036 is a deficient number, since it is larger than the sum of its proper divisors (7654722844).

8420195036 is a wasteful number, since it uses less digits than its factorization.

8420195036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191368084 (or 191368082 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 8420195036 is about 91761.6207136731. The cubic root of 8420195036 is about 2034.4204702555.

The spelling of 8420195036 in words is "eight billion, four hundred twenty million, one hundred ninety-five thousand, thirty-six".