3981677523 has 8 divisors (see below), whose sum is σ = 5409071568. Its totient is φ = 2604367584.

The previous prime is 3981677519. The next prime is 3981677533. The reversal of 3981677523 is 3257761893.

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

It is not a de Polignac number, because 3981677523 - 2² = 3981677519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3981677533) 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 7 ways as a sum of consecutive naturals, for example, 12520840 + ... + 12521157.

It is an arithmetic number, because the mean of its divisors is an integer number (676133946).

Almost surely, 2^3981677523 is an apocalyptic number.

3981677523 is a deficient number, since it is larger than the sum of its proper divisors (1427394045).

3981677523 is a wasteful number, since it uses less digits than its factorization.

3981677523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25042053.

The product of its digits is 1905120, while the sum is 51.

The square root of 3981677523 is about 63100.5350452752. The cubic root of 3981677523 is about 1584.9735818091.

The spelling of 3981677523 in words is "three billion, nine hundred eighty-one million, six hundred seventy-seven thousand, five hundred twenty-three".