88722547 has 2 divisors, whose sum is σ = 88722548. Its totient is φ = 88722546.

The previous prime is 88722509. The next prime is 88722553. The reversal of 88722547 is 74522788.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88722547 is a prime.

It is not a weakly prime, because it can be changed into another prime (88722577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44361273 + 44361274.

It is an arithmetic number, because the mean of its divisors is an integer number (44361274).

Almost surely, 2^88722547 is an apocalyptic number.

88722547 is a deficient number, since it is larger than the sum of its proper divisors (1).

88722547 is an equidigital number, since it uses as much as digits as its factorization.

88722547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 250880, while the sum is 43.

The square root of 88722547 is about 9419.2646740603. The cubic root of 88722547 is about 446.0100727011.

The spelling of 88722547 in words is "eighty-eight million, seven hundred twenty-two thousand, five hundred forty-seven".