7862400001 has 4 divisors (see below), whose sum is σ = 7863692292. Its totient is φ = 7861107712.

The previous prime is 7862399999. The next prime is 7862400011. The reversal of 7862400001 is 1000042687.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6056574976 + 1805825025 = 77824^2 + 42495^2 .

It is a cyclic number.

It is not a de Polignac number, because 7862400001 - 2¹ = 7862399999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7862400011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 636976 + ... + 649201.

It is an arithmetic number, because the mean of its divisors is an integer number (1965923073).

Almost surely, 2^7862400001 is an apocalyptic number.

It is an amenable number.

7862400001 is a deficient number, since it is larger than the sum of its proper divisors (1292291).

7862400001 is a wasteful number, since it uses less digits than its factorization.

7862400001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292290.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 7862400001 is about 88670.1753748125. The cubic root of 7862400001 is about 1988.4669556965.

Adding to 7862400001 its reverse (1000042687), we get a palindrome (8862442688).

The spelling of 7862400001 in words is "seven billion, eight hundred sixty-two million, four hundred thousand, one".