16878779070 has 32 divisors (see below), whose sum is σ = 40512603168. Its totient is φ = 4500615168.

The previous prime is 16878779051. The next prime is 16878779089. The reversal of 16878779070 is 7097787861.

It is an interprime number because it is at equal distance from previous prime (16878779051) and next prime (16878779089).

It is a junction number, because it is equal to n+sod(n) for n = 16878778995 and 16878779013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 532302 + ... + 563118.

It is an arithmetic number, because the mean of its divisors is an integer number (1266018849).

Almost surely, 2^16878779070 is an apocalyptic number.

16878779070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16878779070 is an abundant number, since it is smaller than the sum of its proper divisors (23633824098).

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

16878779070 is a wasteful number, since it uses less digits than its factorization.

16878779070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49084.

The product of its (nonzero) digits is 8297856, while the sum is 60.

The spelling of 16878779070 in words is "sixteen billion, eight hundred seventy-eight million, seven hundred seventy-nine thousand, seventy".