88920973 has 4 divisors (see below), whose sum is σ = 88939840. Its totient is φ = 88902108.

The previous prime is 88920917. The next prime is 88920977. The reversal of 88920973 is 37902988.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 88920973 - 2¹³ = 88912781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88920977) 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, 4348 + ... + 14026.

It is an arithmetic number, because the mean of its divisors is an integer number (22234960).

Almost surely, 2^88920973 is an apocalyptic number.

It is an amenable number.

88920973 is a deficient number, since it is larger than the sum of its proper divisors (18867).

88920973 is an equidigital number, since it uses as much as digits as its factorization.

88920973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18866.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 88920973 is about 9429.7917792494. The cubic root of 88920973 is about 446.3423223319.

The spelling of 88920973 in words is "eighty-eight million, nine hundred twenty thousand, nine hundred seventy-three".