8063778101 has 8 divisors (see below), whose sum is σ = 8152512984. Its totient is φ = 7975157760.

The previous prime is 8063778097. The next prime is 8063778119. The reversal of 8063778101 is 1018773608.

It can be written as a sum of positive squares in 4 ways, for example, as 2246665201 + 5817112900 = 47399^2 + 76270^2 .

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 8063778101 - 2² = 8063778097 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 (8063778131) 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, 116981 + ... + 172661.

It is an arithmetic number, because the mean of its divisors is an integer number (1019064123).

Almost surely, 2^8063778101 is an apocalyptic number.

It is an amenable number.

8063778101 is a deficient number, since it is larger than the sum of its proper divisors (88734883).

8063778101 is a wasteful number, since it uses less digits than its factorization.

8063778101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57271.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 8063778101 is about 89798.5417531933. The cubic root of 8063778101 is about 2005.3007802027.

The spelling of 8063778101 in words is "eight billion, sixty-three million, seven hundred seventy-eight thousand, one hundred one".