4387720797 has 12 divisors (see below), whose sum is σ = 6358201824. Its totient is φ = 2915739720.

The previous prime is 4387720781. The next prime is 4387720801. The reversal of 4387720797 is 7970277834.

It is not a de Polignac number, because 4387720797 - 2⁴ = 4387720781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4387720717) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 781003 + ... + 786600.

It is an arithmetic number, because the mean of its divisors is an integer number (529850152).

Almost surely, 2^4387720797 is an apocalyptic number.

It is an amenable number.

4387720797 is a deficient number, since it is larger than the sum of its proper divisors (1970481027).

4387720797 is a wasteful number, since it uses less digits than its factorization.

4387720797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567920 (or 1567917 counting only the distinct ones).

The product of its (nonzero) digits is 4148928, while the sum is 54.

The square root of 4387720797 is about 66239.8731656394. The cubic root of 4387720797 is about 1637.1167858147.

The spelling of 4387720797 in words is "four billion, three hundred eighty-seven million, seven hundred twenty thousand, seven hundred ninety-seven".