16777772830 has 64 divisors (see below), whose sum is σ = 37960151040. Its totient is φ = 5196898944.

The previous prime is 16777772827. The next prime is 16777772833. The reversal of 16777772830 is 3827777761.

It is an interprime number because it is at equal distance from previous prime (16777772827) and next prime (16777772833).

It is a super-2 number, since 2×16777772830² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16777772833) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153370 + ... + 238909.

It is an arithmetic number, because the mean of its divisors is an integer number (593127360).

Almost surely, 2^16777772830 is an apocalyptic number.

16777772830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16777772830 is an abundant number, since it is smaller than the sum of its proper divisors (21182378210).

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

16777772830 is a wasteful number, since it uses less digits than its factorization.

16777772830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392353.

The product of its (nonzero) digits is 4840416, while the sum is 55.

The spelling of 16777772830 in words is "sixteen billion, seven hundred seventy-seven million, seven hundred seventy-two thousand, eight hundred thirty".