69880504479 has 4 divisors (see below), whose sum is σ = 93174005976. Its totient is φ = 46587002984.

The previous prime is 69880504429. The next prime is 69880504523. The reversal of 69880504479 is 97440508896.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 69880504479 - 2²¹ = 69878407327 is a prime.

It is a super-2 number, since 2×69880504479² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69880504429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11646750744 + ... + 11646750749.

It is an arithmetic number, because the mean of its divisors is an integer number (23293501494).

Almost surely, 2^69880504479 is an apocalyptic number.

69880504479 is a deficient number, since it is larger than the sum of its proper divisors (23293501497).

69880504479 is a wasteful number, since it uses less digits than its factorization.

69880504479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23293501496.

The product of its (nonzero) digits is 17418240, while the sum is 60.

The spelling of 69880504479 in words is "sixty-nine billion, eight hundred eighty million, five hundred four thousand, four hundred seventy-nine".