10018022477 has 4 divisors (see below), whose sum is σ = 10027465596. Its totient is φ = 10008579360.

The previous prime is 10018022471. The next prime is 10018022489. The reversal of 10018022477 is 77422081001.

It is a happy number.

10018022477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77422081001 = 95507 ⋅810643.

It can be written as a sum of positive squares in 2 ways, for example, as 3826535881 + 6191486596 = 61859^2 + 78686^2 .

It is a cyclic number.

It is not a de Polignac number, because 10018022477 - 2⁴ = 10018022461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10018022471) 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 3 ways as a sum of consecutive naturals, for example, 4719968 + ... + 4722089.

It is an arithmetic number, because the mean of its divisors is an integer number (2506866399).

Almost surely, 2^10018022477 is an apocalyptic number.

It is an amenable number.

10018022477 is a deficient number, since it is larger than the sum of its proper divisors (9443119).

10018022477 is an equidigital number, since it uses as much as digits as its factorization.

10018022477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9443118.

The product of its (nonzero) digits is 6272, while the sum is 32.

The spelling of 10018022477 in words is "ten billion, eighteen million, twenty-two thousand, four hundred seventy-seven".