8102893761 has 12 divisors (see below), whose sum is σ = 11705039892. Its totient is φ = 5401532256.

The previous prime is 8102893723. The next prime is 8102893769. The reversal of 8102893761 is 1673982018.

It can be written as a sum of positive squares in 2 ways, for example, as 1625702400 + 6477191361 = 40320^2 + 80481^2 .

It is not a de Polignac number, because 8102893761 - 2¹³ = 8102885569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8102893769) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148915 + ... + 195911.

It is an arithmetic number, because the mean of its divisors is an integer number (975419991).

Almost surely, 2^8102893761 is an apocalyptic number.

It is an amenable number.

8102893761 is a deficient number, since it is larger than the sum of its proper divisors (3602146131).

8102893761 is a wasteful number, since it uses less digits than its factorization.

8102893761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66160 (or 66157 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 8102893761 is about 90016.0750144106. The cubic root of 8102893761 is about 2008.5379796688.

The spelling of 8102893761 in words is "eight billion, one hundred two million, eight hundred ninety-three thousand, seven hundred sixty-one".