69372552887 has 4 divisors (see below), whose sum is σ = 75679148616. Its totient is φ = 63065957160.

The previous prime is 69372552883. The next prime is 69372552901. The reversal of 69372552887 is 78825527396.

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 69372552887 - 2² = 69372552883 is a prime.

It is a super-2 number, since 2×69372552887² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69372552883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3153297848 + ... + 3153297869.

It is an arithmetic number, because the mean of its divisors is an integer number (18919787154).

Almost surely, 2^69372552887 is an apocalyptic number.

69372552887 is a deficient number, since it is larger than the sum of its proper divisors (6306595729).

69372552887 is a wasteful number, since it uses less digits than its factorization.

69372552887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6306595728.

The product of its digits is 50803200, while the sum is 62.

The spelling of 69372552887 in words is "sixty-nine billion, three hundred seventy-two million, five hundred fifty-two thousand, eight hundred eighty-seven".