156887808 has 216 divisors, whose sum is σ = 531276480. Its totient is φ = 40642560.

The previous prime is 156887789. The next prime is 156887813. The reversal of 156887808 is 808788651.

It is a happy number.

It is a super-2 number, since 2×156887808² = 49227568598089728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 413763 + ... + 414141.

Almost surely, 2^156887808 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 156887808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265638240).

156887808 is an abundant number, since it is smaller than the sum of its proper divisors (374388672).

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

156887808 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (156887807) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (423).

156887808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 51.

The square root of 156887808 is about 12525.4863378633. The cubic root of 156887808 is about 539.3405392862.

The spelling of 156887808 in words is "one hundred fifty-six million, eight hundred eighty-seven thousand, eight hundred eight".