10626400787 has 4 divisors (see below), whose sum is σ = 10885581336. Its totient is φ = 10367220240.

The previous prime is 10626400739. The next prime is 10626400847. The reversal of 10626400787 is 78700462601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78700462601 = 101 ⋅779212501.

It is a cyclic number.

It is not a de Polignac number, because 10626400787 - 2⁶ = 10626400723 is a prime.

It is a super-2 number, since 2×10626400787² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 259180507 = 10626400787 / (1 + 0 + 6 + 2 + 6 + 4 + 0 + 0 + 7 + 8 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10626400087) 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, 129590213 + ... + 129590294.

It is an arithmetic number, because the mean of its divisors is an integer number (2721395334).

Almost surely, 2^10626400787 is an apocalyptic number.

10626400787 is a deficient number, since it is larger than the sum of its proper divisors (259180549).

10626400787 is an equidigital number, since it uses as much as digits as its factorization.

10626400787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259180548.

The product of its (nonzero) digits is 112896, while the sum is 41.

The spelling of 10626400787 in words is "ten billion, six hundred twenty-six million, four hundred thousand, seven hundred eighty-seven".