1008972778850 has 48 divisors (see below), whose sum is σ = 1891832534016. Its totient is φ = 400333752000.

The previous prime is 1008972778829. The next prime is 1008972778867. The reversal of 1008972778850 is 588772798001.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41713760 + ... + 41737940.

It is an arithmetic number, because the mean of its divisors is an integer number (39413177792).

Almost surely, 2^{1008972778850} is an apocalyptic number.

1008972778850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1008972778850 is a deficient number, since it is larger than the sum of its proper divisors (882859755166).

1008972778850 is a wasteful number, since it uses less digits than its factorization.

1008972778850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30891 (or 30886 counting only the distinct ones).

The product of its (nonzero) digits is 15805440, while the sum is 62.

The spelling of 1008972778850 in words is "one trillion, eight billion, nine hundred seventy-two million, seven hundred seventy-eight thousand, eight hundred fifty".