3927297902 has 16 divisors (see below), whose sum is σ = 6427468800. Its totient is φ = 1784862840.

The previous prime is 3927297841. The next prime is 3927297923. The reversal of 3927297902 is 2097927293.

It is a happy number.

It is a super-2 number, since 2×3927297902² = 30847337622107203208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 232499 + ... + 248817.

It is an arithmetic number, because the mean of its divisors is an integer number (401716800).

Almost surely, 2^3927297902 is an apocalyptic number.

3927297902 is a deficient number, since it is larger than the sum of its proper divisors (2500170898).

3927297902 is a wasteful number, since it uses less digits than its factorization.

3927297902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27271.

The product of its (nonzero) digits is 857304, while the sum is 50.

The square root of 3927297902 is about 62668.1570017820. The cubic root of 3927297902 is about 1577.7249077771.

The spelling of 3927297902 in words is "three billion, nine hundred twenty-seven million, two hundred ninety-seven thousand, nine hundred two".