90014827961 has 4 divisors (see below), whose sum is σ = 90024784500. Its totient is φ = 90004871424.

The previous prime is 90014827939. The next prime is 90014827963. The reversal of 90014827961 is 16972841009.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16972841009 = 787 ⋅21566507.

It can be written as a sum of positive squares in 2 ways, for example, as 65781990400 + 24232837561 = 256480^2 + 155669^2 .

It is a cyclic number.

It is not a de Polignac number, because 90014827961 - 2¹⁴ = 90014811577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90014827963) 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, 4964696 + ... + 4982793.

It is an arithmetic number, because the mean of its divisors is an integer number (22506196125).

Almost surely, 2^90014827961 is an apocalyptic number.

It is an amenable number.

90014827961 is a deficient number, since it is larger than the sum of its proper divisors (9956539).

90014827961 is an equidigital number, since it uses as much as digits as its factorization.

90014827961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9956538.

The product of its (nonzero) digits is 217728, while the sum is 47.

The spelling of 90014827961 in words is "ninety billion, fourteen million, eight hundred twenty-seven thousand, nine hundred sixty-one".