8275720101 has 64 divisors (see below), whose sum is σ = 12538960896. Its totient is φ = 4851887040.

The previous prime is 8275720099. The next prime is 8275720109. The reversal of 8275720101 is 1010275728.

It is not a de Polignac number, because 8275720101 - 2¹ = 8275720099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8275720109) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26956590 + ... + 26956896.

It is an arithmetic number, because the mean of its divisors is an integer number (195921264).

Almost surely, 2^8275720101 is an apocalyptic number.

It is an amenable number.

8275720101 is a deficient number, since it is larger than the sum of its proper divisors (4263240795).

8275720101 is a wasteful number, since it uses less digits than its factorization.

8275720101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543 (or 521 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 33.

The square root of 8275720101 is about 90970.9849402544. The cubic root of 8275720101 is about 2022.7176521901.

Adding to 8275720101 its reverse (1010275728), we get a palindrome (9285995829).

The spelling of 8275720101 in words is "eight billion, two hundred seventy-five million, seven hundred twenty thousand, one hundred one".