1009483778 has 8 divisors (see below), whose sum is σ = 1517237568. Its totient is φ = 503737924.

The previous prime is 1009483763. The next prime is 1009483793. The reversal of 1009483778 is 8773849001.

It is an interprime number because it is at equal distance from previous prime (1009483763) and next prime (1009483793).

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, 500726 + ... + 502737.

It is an arithmetic number, because the mean of its divisors is an integer number (189654696).

Almost surely, 2^1009483778 is an apocalyptic number.

1009483778 is a deficient number, since it is larger than the sum of its proper divisors (507753790).

1009483778 is a wasteful number, since it uses less digits than its factorization.

1009483778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003968.

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 1009483778 is about 31772.3744469940. The cubic root of 1009483778 is about 1003.1513180959.

The spelling of 1009483778 in words is "one billion, nine million, four hundred eighty-three thousand, seven hundred seventy-eight".