7538580157 has 4 divisors (see below), whose sum is σ = 7541127360. Its totient is φ = 7536032956.

The previous prime is 7538580151. The next prime is 7538580253. The reversal of 7538580157 is 7510858357.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7538580157 - 2⁷ = 7538580029 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7538580157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7538580151) 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, 1269157 + ... + 1275082.

It is an arithmetic number, because the mean of its divisors is an integer number (1885281840).

Almost surely, 2^7538580157 is an apocalyptic number.

It is an amenable number.

7538580157 is a deficient number, since it is larger than the sum of its proper divisors (2547203).

7538580157 is a wasteful number, since it uses less digits than its factorization.

7538580157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2547202.

The product of its (nonzero) digits is 1176000, while the sum is 49.

The square root of 7538580157 is about 86824.9973049237. The cubic root of 7538580157 is about 1960.7844420956.

The spelling of 7538580157 in words is "seven billion, five hundred thirty-eight million, five hundred eighty thousand, one hundred fifty-seven".