90078196033 has 4 divisors (see below), whose sum is σ = 102946509760. Its totient is φ = 77209882308.

The previous prime is 90078196007. The next prime is 90078196037. The reversal of 90078196033 is 33069187009.

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.

It is a cyclic number.

It is not a de Polignac number, because 90078196033 - 2²¹ = 90076098881 is a prime.

It is a super-2 number, since 2×90078196033² (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 (90078196037) 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, 6434156853 + ... + 6434156866.

It is an arithmetic number, because the mean of its divisors is an integer number (25736627440).

Almost surely, 2^90078196033 is an apocalyptic number.

It is an amenable number.

90078196033 is a deficient number, since it is larger than the sum of its proper divisors (12868313727).

90078196033 is a wasteful number, since it uses less digits than its factorization.

90078196033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12868313726.

The product of its (nonzero) digits is 244944, while the sum is 46.

The spelling of 90078196033 in words is "ninety billion, seventy-eight million, one hundred ninety-six thousand, thirty-three".