7954661380 has 48 divisors (see below), whose sum is σ = 17253282816. Its totient is φ = 3077504640.

The previous prime is 7954661359. The next prime is 7954661399. The reversal of 7954661380 is 831664597.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2203537 + ... + 2207143.

It is an arithmetic number, because the mean of its divisors is an integer number (359443392).

Almost surely, 2^7954661380 is an apocalyptic number.

It is an amenable number.

7954661380 is an abundant number, since it is smaller than the sum of its proper divisors (9298621436).

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

7954661380 is a wasteful number, since it uses less digits than its factorization.

7954661380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7204 (or 7202 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 7954661380 is about 89188.9083911223. The cubic root of 7954661380 is about 1996.2146216421.

The spelling of 7954661380 in words is "seven billion, nine hundred fifty-four million, six hundred sixty-one thousand, three hundred eighty".