47628574797 has 4 divisors (see below), whose sum is σ = 63504766400. Its totient is φ = 31752383196.

The previous prime is 47628574793. The next prime is 47628574867. The reversal of 47628574797 is 79747582674.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 47628574797 - 2² = 47628574793 is a prime.

It is a super-2 number, since 2×47628574797² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47628574793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7938095797 + ... + 7938095802.

It is an arithmetic number, because the mean of its divisors is an integer number (15876191600).

Almost surely, 2^47628574797 is an apocalyptic number.

It is an amenable number.

47628574797 is a deficient number, since it is larger than the sum of its proper divisors (15876191603).

47628574797 is a wasteful number, since it uses less digits than its factorization.

47628574797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15876191602.

The product of its digits is 165957120, while the sum is 66.

The spelling of 47628574797 in words is "forty-seven billion, six hundred twenty-eight million, five hundred seventy-four thousand, seven hundred ninety-seven".