90516705739 has 8 divisors (see below), whose sum is σ = 91213699568. Its totient is φ = 89821236960.

The previous prime is 90516705731. The next prime is 90516705743. The reversal of 90516705739 is 93750761509.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90516705739 - 2³ = 90516705731 is a prime.

It is a super-2 number, since 2×90516705739² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90516705731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261957 + ... + 499654.

It is an arithmetic number, because the mean of its divisors is an integer number (11401712446).

Almost surely, 2^90516705739 is an apocalyptic number.

90516705739 is a deficient number, since it is larger than the sum of its proper divisors (696993829).

90516705739 is a wasteful number, since it uses less digits than its factorization.

90516705739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762525.

The product of its (nonzero) digits is 1786050, while the sum is 52.

The spelling of 90516705739 in words is "ninety billion, five hundred sixteen million, seven hundred five thousand, seven hundred thirty-nine".