7475780018057 has 8 divisors (see below), whose sum is σ = 8114232462336. Its totient is φ = 6846383637072.

The previous prime is 7475780018029. The next prime is 7475780018059. The reversal of 7475780018057 is 7508100875747.

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 7475780018057 - 2¹⁴ = 7475780001673 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7475780017987 and 7475780018005.

It is not an unprimeable number, because it can be changed into a prime (7475780018059) 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, 2264014103 + ... + 2264017404.

It is an arithmetic number, because the mean of its divisors is an integer number (1014279057792).

Almost surely, 2^{7475780018057} is an apocalyptic number.

It is an amenable number.

7475780018057 is a deficient number, since it is larger than the sum of its proper divisors (638452444279).

7475780018057 is a wasteful number, since it uses less digits than its factorization.

7475780018057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4528031647.

The product of its (nonzero) digits is 15366400, while the sum is 59.

The spelling of 7475780018057 in words is "seven trillion, four hundred seventy-five billion, seven hundred eighty million, eighteen thousand, fifty-seven".