28762667 has 2 divisors, whose sum is σ = 28762668. Its totient is φ = 28762666.

The previous prime is 28762663. The next prime is 28762687. The reversal of 28762667 is 76626782.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28762667 - 2² = 28762663 is a prime.

It is not a weakly prime, because it can be changed into another prime (28762663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14381333 + 14381334.

It is an arithmetic number, because the mean of its divisors is an integer number (14381334).

Almost surely, 2^28762667 is an apocalyptic number.

28762667 is a deficient number, since it is larger than the sum of its proper divisors (1).

28762667 is an equidigital number, since it uses as much as digits as its factorization.

28762667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 44.

The square root of 28762667 is about 5363.0837211440. The cubic root of 28762667 is about 306.3912683250.

The spelling of 28762667 in words is "twenty-eight million, seven hundred sixty-two thousand, six hundred sixty-seven".