1487434797 has 24 divisors (see below), whose sum is σ = 2196501528. Its totient is φ = 969667200.

The previous prime is 1487434769. The next prime is 1487434811. The reversal of 1487434797 is 7974347841.

1487434797 is a `hidden beast` number, since 148 + 74 + 347 + 97 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 581484996 + 905949801 = 24114^2 + 30099^2 .

It is not a de Polignac number, because 1487434797 - 2²⁰ = 1486386221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1487434727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87147 + ... + 102807.

It is an arithmetic number, because the mean of its divisors is an integer number (91520897).

Almost surely, 2^1487434797 is an apocalyptic number.

It is an amenable number.

1487434797 is a deficient number, since it is larger than the sum of its proper divisors (709066731).

1487434797 is a wasteful number, since it uses less digits than its factorization.

1487434797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15901 (or 15898 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 54.

The square root of 1487434797 is about 38567.2762455427. The cubic root of 1487434797 is about 1141.5089275406.

The spelling of 1487434797 in words is "one billion, four hundred eighty-seven million, four hundred thirty-four thousand, seven hundred ninety-seven".