1988712098 has 8 divisors (see below), whose sum is σ = 2983329792. Its totient is φ = 994268836.

The previous prime is 1988712079. The next prime is 1988712107. The reversal of 1988712098 is 8902178891.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9890 + ... + 63837.

It is an arithmetic number, because the mean of its divisors is an integer number (372916224).

Almost surely, 2^1988712098 is an apocalyptic number.

1988712098 is a deficient number, since it is larger than the sum of its proper divisors (994617694).

1988712098 is a wasteful number, since it uses less digits than its factorization.

1988712098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87216.

The product of its (nonzero) digits is 580608, while the sum is 53.

The square root of 1988712098 is about 44594.9783944336. The cubic root of 1988712098 is about 1257.5462656638.

The spelling of 1988712098 in words is "one billion, nine hundred eighty-eight million, seven hundred twelve thousand, ninety-eight".