8126845951 has 48 divisors (see below), whose sum is σ = 9955246080. Its totient is φ = 6606956160.

The previous prime is 8126845933. The next prime is 8126845957. The reversal of 8126845951 is 1595486218.

It is not a de Polignac number, because 8126845951 - 2⁵ = 8126845919 is a prime.

It is a super-2 number, since 2×8126845951² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8126845895 and 8126845904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8126845957) 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, 19869835 + ... + 19870243.

It is an arithmetic number, because the mean of its divisors is an integer number (207400960).

Almost surely, 2^8126845951 is an apocalyptic number.

8126845951 is a deficient number, since it is larger than the sum of its proper divisors (1828400129).

8126845951 is a wasteful number, since it uses less digits than its factorization.

8126845951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684 (or 677 counting only the distinct ones).

The product of its digits is 691200, while the sum is 49.

The square root of 8126845951 is about 90149.0207988972. The cubic root of 8126845951 is about 2010.5151152068.

The spelling of 8126845951 in words is "eight billion, one hundred twenty-six million, eight hundred forty-five thousand, nine hundred fifty-one".