7834865487 has 8 divisors (see below), whose sum is σ = 10446925104. Its totient is φ = 5223024768.

The previous prime is 7834865459. The next prime is 7834865513. The reversal of 7834865487 is 7845684387.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7834865487 - 2⁸ = 7834865231 is a prime.

It is a super-2 number, since 2×7834865487² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7834865487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7834865587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68313 + ... + 142605.

It is an arithmetic number, because the mean of its divisors is an integer number (1305865638).

Almost surely, 2^7834865487 is an apocalyptic number.

7834865487 is a deficient number, since it is larger than the sum of its proper divisors (2612059617).

7834865487 is a wasteful number, since it uses less digits than its factorization.

7834865487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109449.

The product of its digits is 36126720, while the sum is 60.

The square root of 7834865487 is about 88514.7755292866. The cubic root of 7834865487 is about 1986.1430041471.

The spelling of 7834865487 in words is "seven billion, eight hundred thirty-four million, eight hundred sixty-five thousand, four hundred eighty-seven".