7041801978 has 24 divisors (see below), whose sum is σ = 15581861568. Its totient is φ = 2297325192.

The previous prime is 7041801971. The next prime is 7041801979. The reversal of 7041801978 is 8791081407.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (7041801971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4160976 + ... + 4162667.

It is an arithmetic number, because the mean of its divisors is an integer number (649244232).

Almost surely, 2^7041801978 is an apocalyptic number.

7041801978 is an abundant number, since it is smaller than the sum of its proper divisors (8540059590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7041801978 is a wasteful number, since it uses less digits than its factorization.

7041801978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8323698 (or 8323695 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 45.

The square root of 7041801978 is about 83915.4454078628. The cubic root of 7041801978 is about 1916.7314522306.

The spelling of 7041801978 in words is "seven billion, forty-one million, eight hundred one thousand, nine hundred seventy-eight".