7794157345 has 16 divisors (see below), whose sum is σ = 10286760960. Its totient is φ = 5633221824.

The previous prime is 7794157313. The next prime is 7794157351. The reversal of 7794157345 is 5437514977.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 7794157345 - 2⁵ = 7794157313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7794157292 and 7794157301.

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, 1272585 + ... + 1278694.

It is an arithmetic number, because the mean of its divisors is an integer number (642922560).

Almost surely, 2^7794157345 is an apocalyptic number.

It is an amenable number.

7794157345 is a deficient number, since it is larger than the sum of its proper divisors (2492603615).

7794157345 is a wasteful number, since it uses less digits than its factorization.

7794157345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2551344.

The product of its digits is 3704400, while the sum is 52.

The square root of 7794157345 is about 88284.5249463347. The cubic root of 7794157345 is about 1982.6971833722.

The spelling of 7794157345 in words is "seven billion, seven hundred ninety-four million, one hundred fifty-seven thousand, three hundred forty-five".