7862845146 has 64 divisors (see below), whose sum is σ = 17642634240. Its totient is φ = 2319736320.

The previous prime is 7862845141. The next prime is 7862845153. The reversal of 7862845146 is 6415482687.

It is a super-2 number, since 2×7862845146² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7862845141) 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, 248646 + ... + 278478.

It is an arithmetic number, because the mean of its divisors is an integer number (275666160).

Almost surely, 2^7862845146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7862845146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8821317120).

7862845146 is an abundant number, since it is smaller than the sum of its proper divisors (9779789094).

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

7862845146 is a wasteful number, since it uses less digits than its factorization.

7862845146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29991.

The product of its digits is 2580480, while the sum is 51.

The square root of 7862845146 is about 88672.6854561200. The cubic root of 7862845146 is about 1988.5044819573.

The spelling of 7862845146 in words is "seven billion, eight hundred sixty-two million, eight hundred forty-five thousand, one hundred forty-six".