6987158000 has 80 divisors (see below), whose sum is σ = 16999391136. Its totient is φ = 2777587200.

The previous prime is 6987157997. The next prime is 6987158071. The reversal of 6987158000 is 8517896.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315284 + ... + 336716.

Almost surely, 2^6987158000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6987158000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8499695568).

6987158000 is an abundant number, since it is smaller than the sum of its proper divisors (10012233136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6987158000 is a wasteful number, since it uses less digits than its factorization.

6987158000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21619 (or 21603 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 6987158000 is about 83589.2217932432. The cubic root of 6987158000 is about 1911.7606637158.

The spelling of 6987158000 in words is "six billion, nine hundred eighty-seven million, one hundred fifty-eight thousand".