28996034407 has 2 divisors, whose sum is σ = 28996034408. Its totient is φ = 28996034406.

The previous prime is 28996034399. The next prime is 28996034413. The reversal of 28996034407 is 70443069982.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28996034407 - 2³ = 28996034399 is a prime.

It is a super-2 number, since 2×28996034407² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28996034497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14498017203 + 14498017204.

It is an arithmetic number, because the mean of its divisors is an integer number (14498017204).

Almost surely, 2^28996034407 is an apocalyptic number.

28996034407 is a deficient number, since it is larger than the sum of its proper divisors (1).

28996034407 is an equidigital number, since it uses as much as digits as its factorization.

28996034407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2612736, while the sum is 52.

It can be divided in two parts, 2899 and 6034407, that added together give a palindrome (6037306).

The spelling of 28996034407 in words is "twenty-eight billion, nine hundred ninety-six million, thirty-four thousand, four hundred seven".