1971059798 has 16 divisors (see below), whose sum is σ = 3154410864. Its totient is φ = 920474880.

The previous prime is 1971059767. The next prime is 1971059803. The reversal of 1971059798 is 8979501791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216815 + ... + 225722.

It is an arithmetic number, because the mean of its divisors is an integer number (197150679).

Almost surely, 2^1971059798 is an apocalyptic number.

1971059798 is a deficient number, since it is larger than the sum of its proper divisors (1183351066).

1971059798 is a wasteful number, since it uses less digits than its factorization.

1971059798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442687.

The product of its (nonzero) digits is 1428840, while the sum is 56.

The square root of 1971059798 is about 44396.6192181342. The cubic root of 1971059798 is about 1253.8144384475.

The spelling of 1971059798 in words is "one billion, nine hundred seventy-one million, fifty-nine thousand, seven hundred ninety-eight".