88320547 has 4 divisors (see below), whose sum is σ = 100937776. Its totient is φ = 75703320.

The previous prime is 88320527. The next prime is 88320553. The reversal of 88320547 is 74502388.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 88320547 - 2¹⁵ = 88287779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88320527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6308604 + ... + 6308617.

It is an arithmetic number, because the mean of its divisors is an integer number (25234444).

Almost surely, 2^88320547 is an apocalyptic number.

88320547 is a deficient number, since it is larger than the sum of its proper divisors (12617229).

88320547 is a wasteful number, since it uses less digits than its factorization.

88320547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12617228.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 88320547 is about 9397.9012018642. The cubic root of 88320547 is about 445.3354319829.

The spelling of 88320547 in words is "eighty-eight million, three hundred twenty thousand, five hundred forty-seven".