90779628811 has 8 divisors (see below), whose sum is σ = 92949906384. Its totient is φ = 88633332480.

The previous prime is 90779628787. The next prime is 90779628827. The reversal of 90779628811 is 11882697709.

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 90779628811 - 2⁹ = 90779628299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90779628881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5987650 + ... + 6002791.

It is an arithmetic number, because the mean of its divisors is an integer number (11618738298).

Almost surely, 2^90779628811 is an apocalyptic number.

90779628811 is a deficient number, since it is larger than the sum of its proper divisors (2170277573).

90779628811 is a wasteful number, since it uses less digits than its factorization.

90779628811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11990621.

The product of its (nonzero) digits is 3048192, while the sum is 58.

The spelling of 90779628811 in words is "ninety billion, seven hundred seventy-nine million, six hundred twenty-eight thousand, eight hundred eleven".