89760551 has 2 divisors, whose sum is σ = 89760552. Its totient is φ = 89760550.

The previous prime is 89760547. The next prime is 89760563. The reversal of 89760551 is 15506798.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89760551 - 2² = 89760547 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 89760499 and 89760508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89760851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44880275 + 44880276.

It is an arithmetic number, because the mean of its divisors is an integer number (44880276).

Almost surely, 2^89760551 is an apocalyptic number.

89760551 is a deficient number, since it is larger than the sum of its proper divisors (1).

89760551 is an equidigital number, since it uses as much as digits as its factorization.

89760551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 41.

The square root of 89760551 is about 9474.2045048648. The cubic root of 89760551 is about 447.7426891214.

The spelling of 89760551 in words is "eighty-nine million, seven hundred sixty thousand, five hundred fifty-one".