6358496987 has 4 divisors (see below), whose sum is σ = 6358792896. Its totient is φ = 6358201080.

The previous prime is 6358496981. The next prime is 6358496999. The reversal of 6358496987 is 7896948536.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6358496987 - 2⁴ = 6358496971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6358496981) 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, 112964 + ... + 159617.

It is an arithmetic number, because the mean of its divisors is an integer number (1589698224).

Almost surely, 2^6358496987 is an apocalyptic number.

6358496987 is a deficient number, since it is larger than the sum of its proper divisors (295909).

6358496987 is a wasteful number, since it uses less digits than its factorization.

6358496987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295908.

The product of its digits is 78382080, while the sum is 65.

The square root of 6358496987 is about 79740.1842674069. The cubic root of 6358496987 is about 1852.6134950738.

The spelling of 6358496987 in words is "six billion, three hundred fifty-eight million, four hundred ninety-six thousand, nine hundred eighty-seven".