978496011 has 32 divisors (see below), whose sum is σ = 1466572800. Its totient is φ = 644747040.

The previous prime is 978495967. The next prime is 978496019. The reversal of 978496011 is 110694879.

It is a happy number.

It is not a de Polignac number, because 978496011 - 2⁷ = 978495883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (978496019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1580460 + ... + 1581078.

It is an arithmetic number, because the mean of its divisors is an integer number (45830400).

Almost surely, 2^978496011 is an apocalyptic number.

978496011 is a deficient number, since it is larger than the sum of its proper divisors (488076789).

978496011 is a wasteful number, since it uses less digits than its factorization.

978496011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216 (or 1210 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 978496011 is about 31280.9208783885. The cubic root of 978496011 is about 992.7800007329.

The spelling of 978496011 in words is "nine hundred seventy-eight million, four hundred ninety-six thousand, eleven".