8261870151 has 8 divisors (see below), whose sum is σ = 11016339184. Its totient is φ = 5507657280.

The previous prime is 8261870083. The next prime is 8261870159. The reversal of 8261870151 is 1510781628.

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

It is not a de Polignac number, because 8261870151 - 2¹⁰ = 8261869127 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 (8261870159) 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, 31641 + ... + 132381.

It is an arithmetic number, because the mean of its divisors is an integer number (1377042398).

Almost surely, 2^8261870151 is an apocalyptic number.

8261870151 is a deficient number, since it is larger than the sum of its proper divisors (2754469033).

8261870151 is a wasteful number, since it uses less digits than its factorization.

8261870151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128081.

The product of its (nonzero) digits is 26880, while the sum is 39.

The square root of 8261870151 is about 90894.8301665172. The cubic root of 8261870151 is about 2021.5886394237.

The spelling of 8261870151 in words is "eight billion, two hundred sixty-one million, eight hundred seventy thousand, one hundred fifty-one".