7557243404207 has 16 divisors (see below), whose sum is σ = 9384692275200. Its totient is φ = 5938750573920.

The previous prime is 7557243404197. The next prime is 7557243404213. The reversal of 7557243404207 is 7024043427557.

It is a happy number.

It is not a de Polignac number, because 7557243404207 - 2⁶ = 7557243404143 is a prime.

It is a super-2 number, since 2×7557243404207² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7557243404257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 916469732 + ... + 916477977.

It is an arithmetic number, because the mean of its divisors is an integer number (586543267200).

Almost surely, 2^{7557243404207} is an apocalyptic number.

7557243404207 is a deficient number, since it is larger than the sum of its proper divisors (1827448870993).

7557243404207 is a wasteful number, since it uses less digits than its factorization.

7557243404207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832947766.

The product of its (nonzero) digits is 6585600, while the sum is 50.

The spelling of 7557243404207 in words is "seven trillion, five hundred fifty-seven billion, two hundred forty-three million, four hundred four thousand, two hundred seven".