3997102158 has 48 divisors (see below), whose sum is σ = 9988424160. Its totient is φ = 1131547968.

The previous prime is 3997102139. The next prime is 3997102159. The reversal of 3997102158 is 8512017993.

3997102158 is a `hidden beast` number, since 399 + 7 + 102 + 158 = 666.

It is a super-2 number, since 2×3997102158² = 31953651322976513928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3997102159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131785 + ... + 159252.

It is an arithmetic number, because the mean of its divisors is an integer number (208092170).

Almost surely, 2^3997102158 is an apocalyptic number.

3997102158 is an abundant number, since it is smaller than the sum of its proper divisors (5991322002).

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

3997102158 is a wasteful number, since it uses less digits than its factorization.

3997102158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291161 (or 291158 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 3997102158 is about 63222.6396000673. The cubic root of 3997102158 is about 1587.0176229069.

The spelling of 3997102158 in words is "three billion, nine hundred ninety-seven million, one hundred two thousand, one hundred fifty-eight".