7876428912 has 120 divisors (see below), whose sum is σ = 24822839808. Its totient is φ = 2309788800.

The previous prime is 7876428893. The next prime is 7876428953. The reversal of 7876428912 is 2198246787.

It is a happy number.

It is a super-3 number, since 3×7876428912³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31098 + ... + 129305.

Almost surely, 2^7876428912 is an apocalyptic number.

7876428912 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7876428912 is an abundant number, since it is smaller than the sum of its proper divisors (16946410896).

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

7876428912 is a wasteful number, since it uses less digits than its factorization.

7876428912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160459 (or 160450 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The square root of 7876428912 is about 88749.2473883582. The cubic root of 7876428912 is about 1989.6489294241.

The spelling of 7876428912 in words is "seven billion, eight hundred seventy-six million, four hundred twenty-eight thousand, nine hundred twelve".