4278579992 has 32 divisors (see below), whose sum is σ = 8497742400. Its totient is φ = 2012619264.

The previous prime is 4278579973. The next prime is 4278579997. The reversal of 4278579992 is 2999758724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4278579997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434273 + ... + 444015.

It is an arithmetic number, because the mean of its divisors is an integer number (265554450).

Almost surely, 2^4278579992 is an apocalyptic number.

It is an amenable number.

4278579992 is a deficient number, since it is larger than the sum of its proper divisors (4219162408).

4278579992 is a wasteful number, since it uses less digits than its factorization.

4278579992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12995 (or 12991 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 62.

The square root of 4278579992 is about 65410.8553070513. The cubic root of 4278579992 is about 1623.4286970621.

The spelling of 4278579992 in words is "four billion, two hundred seventy-eight million, five hundred seventy-nine thousand, nine hundred ninety-two".