90067066939 has 8 divisors (see below), whose sum is σ = 90288738512. Its totient is φ = 89845459200.

The previous prime is 90067066933. The next prime is 90067066951. The reversal of 90067066939 is 93966076009.

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 90067066939 - 2²³ = 90058678331 is a prime.

It is a super-2 number, since 2×90067066939² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90067066939.

It is not an unprimeable number, because it can be changed into a prime (90067066933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4073464 + ... + 4095514.

It is an arithmetic number, because the mean of its divisors is an integer number (11286092314).

Almost surely, 2^90067066939 is an apocalyptic number.

90067066939 is a deficient number, since it is larger than the sum of its proper divisors (221671573).

90067066939 is a wasteful number, since it uses less digits than its factorization.

90067066939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31917.

The product of its (nonzero) digits is 3306744, while the sum is 55.

The spelling of 90067066939 in words is "ninety billion, sixty-seven million, sixty-six thousand, nine hundred thirty-nine".