641174087 has 8 divisors (see below), whose sum is σ = 649407360. Its totient is φ = 632953080.

The previous prime is 641174081. The next prime is 641174101. The reversal of 641174087 is 780471146.

641174087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 641174087 - 2⁴ = 641174071 is a prime.

It is a super-2 number, since 2×641174087² = 822208419680567138, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 641174087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641174081) 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, 149864 + ... + 154082.

It is an arithmetic number, because the mean of its divisors is an integer number (81175920).

Almost surely, 2^641174087 is an apocalyptic number.

641174087 is a deficient number, since it is larger than the sum of its proper divisors (8233273).

641174087 is a wasteful number, since it uses less digits than its factorization.

641174087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6133.

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 641174087 is about 25321.4155804923. The cubic root of 641174087 is about 862.3005319590.

The spelling of 641174087 in words is "six hundred forty-one million, one hundred seventy-four thousand, eighty-seven".