7872404090 has 32 divisors (see below), whose sum is σ = 14796017280. Its totient is φ = 3011950144.

The previous prime is 7872404077. The next prime is 7872404107. The reversal of 7872404090 is 904042787.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95822 + ... + 157881.

It is an arithmetic number, because the mean of its divisors is an integer number (462375540).

Almost surely, 2^7872404090 is an apocalyptic number.

7872404090 is a deficient number, since it is larger than the sum of its proper divisors (6923613190).

7872404090 is a wasteful number, since it uses less digits than its factorization.

7872404090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253846.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 7872404090 is about 88726.5692450689. The cubic root of 7872404090 is about 1989.3099709411.

The spelling of 7872404090 in words is "seven billion, eight hundred seventy-two million, four hundred four thousand, ninety".