8654720457 has 8 divisors (see below), whose sum is σ = 12146976160. Its totient is φ = 5466139200.

The previous prime is 8654720453. The next prime is 8654720491. The reversal of 8654720457 is 7540274568.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8654720457 - 2² = 8654720453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8654720453) 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, 75918544 + ... + 75918657.

It is an arithmetic number, because the mean of its divisors is an integer number (1518372020).

Almost surely, 2^8654720457 is an apocalyptic number.

It is an amenable number.

8654720457 is a deficient number, since it is larger than the sum of its proper divisors (3492255703).

8654720457 is a wasteful number, since it uses less digits than its factorization.

8654720457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151837223.

The product of its (nonzero) digits is 1881600, while the sum is 48.

The square root of 8654720457 is about 93030.7500614716. The cubic root of 8654720457 is about 2053.1358279318.

The spelling of 8654720457 in words is "eight billion, six hundred fifty-four million, seven hundred twenty thousand, four hundred fifty-seven".