8261400833 has 12 divisors (see below), whose sum is σ = 9611910000. Its totient is φ = 7079941512.

The previous prime is 8261400817. The next prime is 8261400841. The reversal of 8261400833 is 3380041628.

It is a happy number.

It is not a de Polignac number, because 8261400833 - 2⁴ = 8261400817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8261400793 and 8261400802.

It is not an unprimeable number, because it can be changed into a prime (8261400803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 356210 + ... + 378692.

It is an arithmetic number, because the mean of its divisors is an integer number (800992500).

Almost surely, 2^8261400833 is an apocalyptic number.

It is an amenable number.

8261400833 is a deficient number, since it is larger than the sum of its proper divisors (1350509167).

8261400833 is a wasteful number, since it uses less digits than its factorization.

8261400833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29996 (or 29989 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 8261400833 is about 90892.2484758739. The cubic root of 8261400833 is about 2021.5503597168.

The spelling of 8261400833 in words is "eight billion, two hundred sixty-one million, four hundred thousand, eight hundred thirty-three".