69888005142 has 32 divisors (see below), whose sum is σ = 148027824000. Its totient is φ = 21921249408.

The previous prime is 69888005141. The next prime is 69888005153. The reversal of 69888005142 is 24150088896.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69888005141) 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, 462109 + ... + 594407.

It is an arithmetic number, because the mean of its divisors is an integer number (4625869500).

Almost surely, 2^69888005142 is an apocalyptic number.

69888005142 is an abundant number, since it is smaller than the sum of its proper divisors (78139818858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69888005142 is a wasteful number, since it uses less digits than its factorization.

69888005142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137500.

The product of its (nonzero) digits is 1105920, while the sum is 51.

The spelling of 69888005142 in words is "sixty-nine billion, eight hundred eighty-eight million, five thousand, one hundred forty-two".