89070547 has 2 divisors, whose sum is σ = 89070548. Its totient is φ = 89070546.

The previous prime is 89070539. The next prime is 89070557. The reversal of 89070547 is 74507098.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89070547 - 2³ = 89070539 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (89070517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44535273 + 44535274.

It is an arithmetic number, because the mean of its divisors is an integer number (44535274).

Almost surely, 2^89070547 is an apocalyptic number.

89070547 is a deficient number, since it is larger than the sum of its proper divisors (1).

89070547 is an equidigital number, since it uses as much as digits as its factorization.

89070547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 89070547 is about 9437.7193749338. The cubic root of 89070547 is about 446.5924463323.

The spelling of 89070547 in words is "eighty-nine million, seventy thousand, five hundred forty-seven".