89427545747 has 2 divisors, whose sum is σ = 89427545748. Its totient is φ = 89427545746.

The previous prime is 89427545743. The next prime is 89427545777. The reversal of 89427545747 is 74754572498.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89427545747 - 2² = 89427545743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89427545747.

It is not a weakly prime, because it can be changed into another prime (89427545743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44713772873 + 44713772874.

It is an arithmetic number, because the mean of its divisors is an integer number (44713772874).

Almost surely, 2^89427545747 is an apocalyptic number.

89427545747 is a deficient number, since it is larger than the sum of its proper divisors (1).

89427545747 is an equidigital number, since it uses as much as digits as its factorization.

89427545747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 79027200, while the sum is 62.

The spelling of 89427545747 in words is "eighty-nine billion, four hundred twenty-seven million, five hundred forty-five thousand, seven hundred forty-seven".