7867427432 has 32 divisors (see below), whose sum is σ = 15539040000. Its totient is φ = 3723982848.

The previous prime is 7867427423. The next prime is 7867427437. The reversal of 7867427432 is 2347247687.

It is a super-2 number, since 2×7867427432² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7867427437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200744 + ... + 236712.

It is an arithmetic number, because the mean of its divisors is an integer number (485595000).

Almost surely, 2^7867427432 is an apocalyptic number.

It is an amenable number.

7867427432 is a deficient number, since it is larger than the sum of its proper divisors (7671612568).

7867427432 is a wasteful number, since it uses less digits than its factorization.

7867427432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37433 (or 37429 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 50.

The square root of 7867427432 is about 88698.5198974594. The cubic root of 7867427432 is about 1988.8906918929.

The spelling of 7867427432 in words is "seven billion, eight hundred sixty-seven million, four hundred twenty-seven thousand, four hundred thirty-two".