7147987357 has 12 divisors (see below), whose sum is σ = 8676529056. Its totient is φ = 5860460760.

The previous prime is 7147987351. The next prime is 7147987369. The reversal of 7147987357 is 7537897417.

It is a happy number.

It is not a de Polignac number, because 7147987357 - 2¹¹ = 7147985309 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 (7147987351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3170119 + ... + 3172372.

It is an arithmetic number, because the mean of its divisors is an integer number (723044088).

Almost surely, 2^7147987357 is an apocalyptic number.

It is an amenable number.

7147987357 is a deficient number, since it is larger than the sum of its proper divisors (1528541699).

7147987357 is a wasteful number, since it uses less digits than its factorization.

7147987357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6342528 (or 6342521 counting only the distinct ones).

The product of its digits is 10372320, while the sum is 58.

The square root of 7147987357 is about 84545.7707812756. The cubic root of 7147987357 is about 1926.3177445738.

The spelling of 7147987357 in words is "seven billion, one hundred forty-seven million, nine hundred eighty-seven thousand, three hundred fifty-seven".