8277825861 has 48 divisors (see below), whose sum is σ = 13147662528. Its totient is φ = 5186592000.

The previous prime is 8277825839. The next prime is 8277825883. The reversal of 8277825861 is 1685287728.

It is an interprime number because it is at equal distance from previous prime (8277825839) and next prime (8277825883).

It is not a de Polignac number, because 8277825861 - 2⁶ = 8277825797 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8277825798 and 8277825807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8277825821) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5704186 + ... + 5705636.

It is an arithmetic number, because the mean of its divisors is an integer number (273909636).

Almost surely, 2^8277825861 is an apocalyptic number.

8277825861 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

8277825861 is a deficient number, since it is larger than the sum of its proper divisors (4869836667).

8277825861 is a wasteful number, since it uses less digits than its factorization.

8277825861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2864 (or 2852 counting only the distinct ones).

The product of its digits is 3010560, while the sum is 54.

The square root of 8277825861 is about 90982.5580042680. The cubic root of 8277825861 is about 2022.8891980559.

The spelling of 8277825861 in words is "eight billion, two hundred seventy-seven million, eight hundred twenty-five thousand, eight hundred sixty-one".