7878734701 has 32 divisors (see below), whose sum is σ = 8365593600. Its totient is φ = 7413120000.

The previous prime is 7878734683. The next prime is 7878734707. The reversal of 7878734701 is 1074378787.

It is a cyclic number.

It is not a de Polignac number, because 7878734701 - 2²³ = 7870346093 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 (7878734707) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43528831 + ... + 43529011.

It is an arithmetic number, because the mean of its divisors is an integer number (261424800).

Almost surely, 2^7878734701 is an apocalyptic number.

It is an amenable number.

7878734701 is a deficient number, since it is larger than the sum of its proper divisors (486858899).

7878734701 is a wasteful number, since it uses less digits than its factorization.

7878734701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541.

The product of its (nonzero) digits is 1843968, while the sum is 52.

The square root of 7878734701 is about 88762.2369084962. The cubic root of 7878734701 is about 1989.8430640615.

The spelling of 7878734701 in words is "seven billion, eight hundred seventy-eight million, seven hundred thirty-four thousand, seven hundred one".