1988496715 has 16 divisors (see below), whose sum is σ = 2529358272. Its totient is φ = 1495563264.

The previous prime is 1988496709. The next prime is 1988496743. The reversal of 1988496715 is 5176948891.

It is a cyclic number.

It is not a de Polignac number, because 1988496715 - 2⁵ = 1988496683 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1988496715.

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, 67162 + ... + 92128.

It is an arithmetic number, because the mean of its divisors is an integer number (158084892).

Almost surely, 2^1988496715 is an apocalyptic number.

1988496715 is a deficient number, since it is larger than the sum of its proper divisors (540861557).

1988496715 is a wasteful number, since it uses less digits than its factorization.

1988496715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25926.

The product of its digits is 4354560, while the sum is 58.

The square root of 1988496715 is about 44592.5634495260. The cubic root of 1988496715 is about 1257.5008654495.

The spelling of 1988496715 in words is "one billion, nine hundred eighty-eight million, four hundred ninety-six thousand, seven hundred fifteen".