7845158478 has 32 divisors (see below), whose sum is σ = 16106023296. Its totient is φ = 2546153568.

The previous prime is 7845158473. The next prime is 7845158483. The reversal of 7845158478 is 8748515487.

It is an interprime number because it is at equal distance from previous prime (7845158473) and next prime (7845158483).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7845158473) 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, 33825 + ... + 129747.

It is an arithmetic number, because the mean of its divisors is an integer number (503313228).

Almost surely, 2^7845158478 is an apocalyptic number.

7845158478 is an abundant number, since it is smaller than the sum of its proper divisors (8260864818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7845158478 is a wasteful number, since it uses less digits than its factorization.

7845158478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96288.

The product of its digits is 10035200, while the sum is 57.

The square root of 7845158478 is about 88572.8992299563. The cubic root of 7845158478 is about 1987.0123833002.

The spelling of 7845158478 in words is "seven billion, eight hundred forty-five million, one hundred fifty-eight thousand, four hundred seventy-eight".