8061912400 has 30 divisors (see below), whose sum is σ = 19368745502. Its totient is φ = 3224764800.

The previous prime is 8061912371. The next prime is 8061912427. The reversal of 8061912400 is 42191608.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 75272976 + 7986639424 = 8676^2 + 89368^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10076991 + ... + 10077790.

Almost surely, 2^8061912400 is an apocalyptic number.

8061912400 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8061912400 is an abundant number, since it is smaller than the sum of its proper divisors (11306833102).

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

8061912400 is a wasteful number, since it uses less digits than its factorization.

8061912400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20154799 (or 20154788 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 8061912400 is about 89788.1528933522. The cubic root of 8061912400 is about 2005.1461140649.

The spelling of 8061912400 in words is "eight billion, sixty-one million, nine hundred twelve thousand, four hundred".