7884806157 has 12 divisors (see below), whose sum is σ = 11884345824. Its totient is φ = 5027992200.

The previous prime is 7884806141. The next prime is 7884806179. The reversal of 7884806157 is 7516084887.

It is a happy number.

7884806157 is a `hidden beast` number, since 7 + 8 + 8 + 480 + 6 + 157 = 666.

It is not a de Polignac number, because 7884806157 - 2⁴ = 7884806141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7884806857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19045219 + ... + 19045632.

It is an arithmetic number, because the mean of its divisors is an integer number (990362152).

Almost surely, 2^7884806157 is an apocalyptic number.

It is an amenable number.

7884806157 is a deficient number, since it is larger than the sum of its proper divisors (3999539667).

7884806157 is a wasteful number, since it uses less digits than its factorization.

7884806157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38090880 (or 38090877 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 54.

The square root of 7884806157 is about 88796.4309924673. The cubic root of 7884806157 is about 1990.3540658519.

The spelling of 7884806157 in words is "seven billion, eight hundred eighty-four million, eight hundred six thousand, one hundred fifty-seven".