986990754964 has 6 divisors (see below), whose sum is σ = 1727233821194. Its totient is φ = 493495377480.

The previous prime is 986990754947. The next prime is 986990754991. The reversal of 986990754964 is 469457099689.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 943598532100 + 43392222864 = 971390^2 + 208308^2 .

It is a super-3 number, since 3×986990754964³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123373844367 + ... + 123373844374.

Almost surely, 2^986990754964 is an apocalyptic number.

It is an amenable number.

986990754964 is a deficient number, since it is larger than the sum of its proper divisors (740243066230).

986990754964 is a wasteful number, since it uses less digits than its factorization.

986990754964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246747688745 (or 246747688743 counting only the distinct ones).

The product of its (nonzero) digits is 1058158080, while the sum is 76.

The spelling of 986990754964 in words is "nine hundred eighty-six billion, nine hundred ninety million, seven hundred fifty-four thousand, nine hundred sixty-four".