7954089893 has 8 divisors (see below), whose sum is σ = 8030261400. Its totient is φ = 7878279168.

The previous prime is 7954089887. The next prime is 7954089917. The reversal of 7954089893 is 3989804597.

It can be written as a sum of positive squares in 4 ways, for example, as 3310621444 + 4643468449 = 57538^2 + 68143^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 7954089893 - 2¹⁰ = 7954088869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7954086893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45788 + ... + 134181.

It is an arithmetic number, because the mean of its divisors is an integer number (1003782675).

Almost surely, 2^7954089893 is an apocalyptic number.

It is an amenable number.

7954089893 is a deficient number, since it is larger than the sum of its proper divisors (76171507).

7954089893 is a wasteful number, since it uses less digits than its factorization.

7954089893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180391.

The product of its (nonzero) digits is 19595520, while the sum is 62.

The square root of 7954089893 is about 89185.7045327333. The cubic root of 7954089893 is about 1996.1668157929.

The spelling of 7954089893 in words is "seven billion, nine hundred fifty-four million, eighty-nine thousand, eight hundred ninety-three".