69801997860 has 192 divisors, whose sum is σ = 251249994240. Its totient is φ = 15954672384.

The previous prime is 69801997813. The next prime is 69801997883. The reversal of 69801997860 is 6879910896.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 192192 + ... + 420168.

It is an arithmetic number, because the mean of its divisors is an integer number (1308593720).

Almost surely, 2^69801997860 is an apocalyptic number.

69801997860 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69801997860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125624997120).

69801997860 is an abundant number, since it is smaller than the sum of its proper divisors (181447996380).

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

69801997860 is a wasteful number, since it uses less digits than its factorization.

69801997860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228014 (or 227994 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 63.

The spelling of 69801997860 in words is "sixty-nine billion, eight hundred one million, nine hundred ninety-seven thousand, eight hundred sixty".