89792640407 has 2 divisors, whose sum is σ = 89792640408. Its totient is φ = 89792640406.

The previous prime is 89792640367. The next prime is 89792640409. The reversal of 89792640407 is 70404629798.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89792640407 - 2³² = 85497673111 is a prime.

Together with 89792640409, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89792640409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44896320203 + 44896320204.

It is an arithmetic number, because the mean of its divisors is an integer number (44896320204).

Almost surely, 2^89792640407 is an apocalyptic number.

89792640407 is a deficient number, since it is larger than the sum of its proper divisors (1).

89792640407 is an equidigital number, since it uses as much as digits as its factorization.

89792640407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6096384, while the sum is 56.

The spelling of 89792640407 in words is "eighty-nine billion, seven hundred ninety-two million, six hundred forty thousand, four hundred seven".