7846665145 has 16 divisors (see below), whose sum is σ = 10371733632. Its totient is φ = 5651256960.

The previous prime is 7846665131. The next prime is 7846665149. The reversal of 7846665145 is 5415666487.

It is not a de Polignac number, because 7846665145 - 2⁷ = 7846665017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7846665092 and 7846665101.

It is not an unprimeable number, because it can be changed into a prime (7846665149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 686892 + ... + 698221.

It is an arithmetic number, because the mean of its divisors is an integer number (648233352).

Almost surely, 2^7846665145 is an apocalyptic number.

It is an amenable number.

7846665145 is a deficient number, since it is larger than the sum of its proper divisors (2525068487).

7846665145 is a wasteful number, since it uses less digits than its factorization.

7846665145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385232.

The product of its digits is 4838400, while the sum is 52.

The square root of 7846665145 is about 88581.4040586398. The cubic root of 7846665145 is about 1987.1395774316.

The spelling of 7846665145 in words is "seven billion, eight hundred forty-six million, six hundred sixty-five thousand, one hundred forty-five".