7883748829945 has 8 divisors (see below), whose sum is σ = 9460518443136. Its totient is φ = 6306985832496.

The previous prime is 7883748829933. The next prime is 7883748829961. The reversal of 7883748829945 is 5499288473887.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7883748829945 is a prime.

It is a super-2 number, since 2×7883748829945² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

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, 1522224 + ... + 4252606.

It is an arithmetic number, because the mean of its divisors is an integer number (1182564805392).

Almost surely, 2^{7883748829945} is an apocalyptic number.

It is an amenable number.

7883748829945 is a deficient number, since it is larger than the sum of its proper divisors (1576769613191).

7883748829945 is a wasteful number, since it uses less digits than its factorization.

7883748829945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3307871.

The product of its digits is 7803371520, while the sum is 82.

The spelling of 7883748829945 in words is "seven trillion, eight hundred eighty-three billion, seven hundred forty-eight million, eight hundred twenty-nine thousand, nine hundred forty-five".