102784477966 has 8 divisors (see below), whose sum is σ = 154975560624. Its totient is φ = 51125957760.

The previous prime is 102784477933. The next prime is 102784477979. The reversal of 102784477966 is 669774487201.

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

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 in 3 ways as a sum of consecutive naturals, for example, 133140130 + ... + 133140901.

It is an arithmetic number, because the mean of its divisors is an integer number (19371945078).

Almost surely, 2^102784477966 is an apocalyptic number.

102784477966 is a deficient number, since it is larger than the sum of its proper divisors (52191082658).

102784477966 is a wasteful number, since it uses less digits than its factorization.

102784477966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266281226.

The product of its (nonzero) digits is 28449792, while the sum is 61.

The spelling of 102784477966 in words is "one hundred two billion, seven hundred eighty-four million, four hundred seventy-seven thousand, nine hundred sixty-six".