88740005 has 4 divisors (see below), whose sum is σ = 106488012. Its totient is φ = 70992000.

The previous prime is 88739977. The next prime is 88740037. The reversal of 88740005 is 50004788.

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

It can be written as a sum of positive squares in 2 ways, for example, as 50225569 + 38514436 = 7087^2 + 6206^2 .

It is not a de Polignac number, because 88740005 - 2⁶ = 88739941 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8873996 + ... + 8874005.

It is an arithmetic number, because the mean of its divisors is an integer number (26622003).

Almost surely, 2^88740005 is an apocalyptic number.

It is an amenable number.

88740005 is a deficient number, since it is larger than the sum of its proper divisors (17748007).

88740005 is a wasteful number, since it uses less digits than its factorization.

88740005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17748006.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 88740005 is about 9420.1913462519. The cubic root of 88740005 is about 446.0393246912.

The spelling of 88740005 in words is "eighty-eight million, seven hundred forty thousand, five".