7906978152 has 48 divisors (see below), whose sum is σ = 21418837440. Its totient is φ = 2635154208.

The previous prime is 7906978129. The next prime is 7906978187. The reversal of 7906978152 is 2518796097.

It is a zygodrome in base 6.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 681633 + ... + 693135.

It is an arithmetic number, because the mean of its divisors is an integer number (446225780).

Almost surely, 2^7906978152 is an apocalyptic number.

7906978152 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7906978152 is an abundant number, since it is smaller than the sum of its proper divisors (13511859288).

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

7906978152 is a wasteful number, since it uses less digits than its factorization.

7906978152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21062 (or 21055 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 54.

The square root of 7906978152 is about 88921.1906802872. The cubic root of 7906978152 is about 1992.2179383655.

The spelling of 7906978152 in words is "seven billion, nine hundred six million, nine hundred seventy-eight thousand, one hundred fifty-two".