8611378101 has 24 divisors (see below), whose sum is σ = 13476640320. Its totient is φ = 5277557376.

The previous prime is 8611378091. The next prime is 8611378147. The reversal of 8611378101 is 1018731168.

It is a happy number.

8611378101 is a `hidden beast` number, since 8 + 611 + 37 + 8 + 1 + 0 + 1 = 666.

It is not a de Polignac number, because 8611378101 - 2¹³ = 8611369909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8611378201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 647881 + ... + 661038.

It is an arithmetic number, because the mean of its divisors is an integer number (561526680).

Almost surely, 2^8611378101 is an apocalyptic number.

It is an amenable number.

8611378101 is a deficient number, since it is larger than the sum of its proper divisors (4865262219).

8611378101 is a wasteful number, since it uses less digits than its factorization.

8611378101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308985 (or 1308982 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The square root of 8611378101 is about 92797.5112866719. The cubic root of 8611378101 is about 2049.7027608699.

The spelling of 8611378101 in words is "eight billion, six hundred eleven million, three hundred seventy-eight thousand, one hundred one".