190878468 has 72 divisors (see below), whose sum is σ = 500148096. Its totient is φ = 56591040.

The previous prime is 190878463. The next prime is 190878469. The reversal of 190878468 is 864878091.

190878468 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 190878468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190878461) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66846 + ... + 69642.

Almost surely, 2^190878468 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190878468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250074048).

190878468 is an abundant number, since it is smaller than the sum of its proper divisors (309269628).

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

190878468 is a wasteful number, since it uses less digits than its factorization.

190878468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2873 (or 2860 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 51.

The square root of 190878468 is about 13815.8773879910. The cubic root of 190878468 is about 575.7743497874.

The spelling of 190878468 in words is "one hundred ninety million, eight hundred seventy-eight thousand, four hundred sixty-eight".