7994605457 has 8 divisors (see below), whose sum is σ = 8243837952. Its totient is φ = 7747956000.

The previous prime is 7994605447. The next prime is 7994605459. The reversal of 7994605457 is 7545064997.

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

It is a cyclic number.

It is not a de Polignac number, because 7994605457 - 2³⁰ = 6920863633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7994605459) 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, 639473 + ... + 651854.

It is an arithmetic number, because the mean of its divisors is an integer number (1030479744).

Almost surely, 2^7994605457 is an apocalyptic number.

It is an amenable number.

7994605457 is a deficient number, since it is larger than the sum of its proper divisors (249232495).

7994605457 is a wasteful number, since it uses less digits than its factorization.

7994605457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291519.

The product of its (nonzero) digits is 9525600, while the sum is 56.

The square root of 7994605457 is about 89412.5576023860. The cubic root of 7994605457 is about 1999.5503536667.

The spelling of 7994605457 in words is "seven billion, nine hundred ninety-four million, six hundred five thousand, four hundred fifty-seven".