3791668791 has 8 divisors (see below), whose sum is σ = 5068294384. Its totient is φ = 2521411200.

The previous prime is 3791668781. The next prime is 3791668801. The reversal of 3791668791 is 1978661973.

It is an interprime number because it is at equal distance from previous prime (3791668781) and next prime (3791668801).

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

It is not a de Polignac number, because 3791668791 - 2¹³ = 3791660599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3791668711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1590610 + ... + 1592991.

It is an arithmetic number, because the mean of its divisors is an integer number (633536798).

Almost surely, 2^3791668791 is an apocalyptic number.

3791668791 is a deficient number, since it is larger than the sum of its proper divisors (1276625593).

3791668791 is a wasteful number, since it uses less digits than its factorization.

3791668791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3184001.

The product of its digits is 3429216, while the sum is 57.

The square root of 3791668791 is about 61576.5279225778. The cubic root of 3791668791 is about 1559.3494974409.

The spelling of 3791668791 in words is "three billion, seven hundred ninety-one million, six hundred sixty-eight thousand, seven hundred ninety-one".