28626607 has 2 divisors, whose sum is σ = 28626608. Its totient is φ = 28626606.

The previous prime is 28626601. The next prime is 28626649. The reversal of 28626607 is 70662682.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28626607 - 2³ = 28626599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28626601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14313303 + 14313304.

It is an arithmetic number, because the mean of its divisors is an integer number (14313304).

Almost surely, 2^28626607 is an apocalyptic number.

28626607 is a deficient number, since it is larger than the sum of its proper divisors (1).

28626607 is an equidigital number, since it uses as much as digits as its factorization.

28626607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 28626607 is about 5350.3838180078. The cubic root of 28626607 is about 305.9073829377.

The spelling of 28626607 in words is "twenty-eight million, six hundred twenty-six thousand, six hundred seven".