69947839955 has 8 divisors (see below), whose sum is σ = 95928466272. Its totient is φ = 47964233088.

The previous prime is 69947839939. The next prime is 69947839963. The reversal of 69947839955 is 55993874996.

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 69947839955 - 2⁴ = 69947839939 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 999254822 + ... + 999254891.

It is an arithmetic number, because the mean of its divisors is an integer number (11991058284).

Almost surely, 2^69947839955 is an apocalyptic number.

69947839955 is a deficient number, since it is larger than the sum of its proper divisors (25980626317).

69947839955 is a wasteful number, since it uses less digits than its factorization.

69947839955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998509725.

The product of its digits is 661348800, while the sum is 74.

The spelling of 69947839955 in words is "sixty-nine billion, nine hundred forty-seven million, eight hundred thirty-nine thousand, nine hundred fifty-five".