7923790620 has 36 divisors (see below), whose sum is σ = 24035498760. Its totient is φ = 2113010784.

The previous prime is 7923790603. The next prime is 7923790639. The reversal of 7923790620 is 260973297.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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, 22010350 + ... + 22010709.

Almost surely, 2^7923790620 is an apocalyptic number.

It is an amenable number.

7923790620 is an abundant number, since it is smaller than the sum of its proper divisors (16111708140).

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

7923790620 is a wasteful number, since it uses less digits than its factorization.

7923790620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44021074 (or 44021069 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 7923790620 is about 89015.6762598589. The cubic root of 7923790620 is about 1993.6289447109.

The spelling of 7923790620 in words is "seven billion, nine hundred twenty-three million, seven hundred ninety thousand, six hundred twenty".