7664457153 has 4 divisors (see below), whose sum is σ = 10219276208. Its totient is φ = 5109638100.

The previous prime is 7664457133. The next prime is 7664457169. The reversal of 7664457153 is 3517544667.

It is a happy number.

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 not a de Polignac number, because 7664457153 - 2⁵ = 7664457121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7664457133) 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, 1277409523 + ... + 1277409528.

It is an arithmetic number, because the mean of its divisors is an integer number (2554819052).

Almost surely, 2^7664457153 is an apocalyptic number.

It is an amenable number.

7664457153 is a deficient number, since it is larger than the sum of its proper divisors (2554819055).

7664457153 is a wasteful number, since it uses less digits than its factorization.

7664457153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2554819054.

The product of its digits is 2116800, while the sum is 48.

The square root of 7664457153 is about 87546.8854557374. The cubic root of 7664457153 is about 1971.6377898499.

The spelling of 7664457153 in words is "seven billion, six hundred sixty-four million, four hundred fifty-seven thousand, one hundred fifty-three".