7145829987 has 8 divisors (see below), whose sum is σ = 9530011920. Its totient is φ = 4762767360.

The previous prime is 7145829983. The next prime is 7145830001. The reversal of 7145829987 is 7899285417.

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

It is not a de Polignac number, because 7145829987 - 2² = 7145829983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7145829987.

It is not an unprimeable number, because it can be changed into a prime (7145829983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264814 + ... + 290547.

It is an arithmetic number, because the mean of its divisors is an integer number (1191251490).

Almost surely, 2^7145829987 is an apocalyptic number.

7145829987 is a deficient number, since it is larger than the sum of its proper divisors (2384181933).

7145829987 is a wasteful number, since it uses less digits than its factorization.

7145829987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559653.

The product of its digits is 10160640, while the sum is 60.

The square root of 7145829987 is about 84533.0112263842. The cubic root of 7145829987 is about 1926.1239278593.

The spelling of 7145829987 in words is "seven billion, one hundred forty-five million, eight hundred twenty-nine thousand, nine hundred eighty-seven".