7054978668 has 24 divisors (see below), whose sum is σ = 16731481200. Its totient is φ = 2313107520.

The previous prime is 7054978657. The next prime is 7054978681. The reversal of 7054978668 is 8668794507.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4818243 + ... + 4819706.

It is an arithmetic number, because the mean of its divisors is an integer number (697145050).

Almost surely, 2^7054978668 is an apocalyptic number.

It is an amenable number.

7054978668 is an abundant number, since it is smaller than the sum of its proper divisors (9676502532).

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

7054978668 is a wasteful number, since it uses less digits than its factorization.

7054978668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9638017 (or 9638015 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 60.

The square root of 7054978668 is about 83993.9204228497. The cubic root of 7054978668 is about 1917.9262429670.

It can be divided in two parts, 7054978 and 668, that added together give a triangular number (7055646 = T₃₇₅₆).

The spelling of 7054978668 in words is "seven billion, fifty-four million, nine hundred seventy-eight thousand, six hundred sixty-eight".