69828663 has 4 divisors (see below), whose sum is σ = 93104888. Its totient is φ = 46552440.

The previous prime is 69828643. The next prime is 69828677. The reversal of 69828663 is 36682896.

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

It is a de Polignac number, because none of the positive numbers 2^k-69828663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69828643) 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, 11638108 + ... + 11638113.

It is an arithmetic number, because the mean of its divisors is an integer number (23276222).

Almost surely, 2^69828663 is an apocalyptic number.

69828663 is a deficient number, since it is larger than the sum of its proper divisors (23276225).

69828663 is a wasteful number, since it uses less digits than its factorization.

69828663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23276224.

The product of its digits is 746496, while the sum is 48.

The square root of 69828663 is about 8356.3546478114. The cubic root of 69828663 is about 411.7920035200.

The spelling of 69828663 in words is "sixty-nine million, eight hundred twenty-eight thousand, six hundred sixty-three".