3986537078 has 8 divisors (see below), whose sum is σ = 5981682168. Its totient is φ = 1992643024.

The previous prime is 3986537053. The next prime is 3986537083. The reversal of 3986537078 is 8707356893.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 304751 + ... + 317562.

It is an arithmetic number, because the mean of its divisors is an integer number (747710271).

Almost surely, 2^3986537078 is an apocalyptic number.

3986537078 is a deficient number, since it is larger than the sum of its proper divisors (1995145090).

3986537078 is a wasteful number, since it uses less digits than its factorization.

3986537078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625518.

The product of its (nonzero) digits is 7620480, while the sum is 56.

The square root of 3986537078 is about 63139.0297518104. The cubic root of 3986537078 is about 1585.6181288112.

The spelling of 3986537078 in words is "three billion, nine hundred eighty-six million, five hundred thirty-seven thousand, seventy-eight".