80954647953 has 16 divisors (see below), whose sum is σ = 108422945280. Its totient is φ = 53728145024.

The previous prime is 80954647931. The next prime is 80954647999. The reversal of 80954647953 is 35974645908.

It is a cyclic number.

It is not a de Polignac number, because 80954647953 - 2⁶ = 80954647889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80954647913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7308103 + ... + 7319171.

It is an arithmetic number, because the mean of its divisors is an integer number (6776434080).

Almost surely, 2^80954647953 is an apocalyptic number.

It is an amenable number.

80954647953 is a deficient number, since it is larger than the sum of its proper divisors (27468297327).

80954647953 is a wasteful number, since it uses less digits than its factorization.

80954647953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21768.

The product of its (nonzero) digits is 32659200, while the sum is 60.

The spelling of 80954647953 in words is "eighty billion, nine hundred fifty-four million, six hundred forty-seven thousand, nine hundred fifty-three".