1002978086 has 8 divisors (see below), whose sum is σ = 1641236904. Its totient is φ = 455899120.

The previous prime is 1002978083. The next prime is 1002978103. The reversal of 1002978086 is 6808792001.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002978083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22794935 + ... + 22794978.

It is an arithmetic number, because the mean of its divisors is an integer number (205154613).

Almost surely, 2^1002978086 is an apocalyptic number.

1002978086 is a deficient number, since it is larger than the sum of its proper divisors (638258818).

1002978086 is a wasteful number, since it uses less digits than its factorization.

1002978086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45589926.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 1002978086 is about 31669.8292701429. The cubic root of 1002978086 is about 1000.9917115165.

The spelling of 1002978086 in words is "one billion, two million, nine hundred seventy-eight thousand, eighty-six".