1878492000 has 768 divisors, whose sum is σ = 8151736320. Its totient is φ = 366336000.

The previous prime is 1878491983. The next prime is 1878492017. The reversal of 1878492000 is 2948781.

It is an interprime number because it is at equal distance from previous prime (1878491983) and next prime (1878492017).

It is a self number, because there is not a number n which added to its sum of digits gives 1878492000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 17555947 + ... + 17556053.

It is an arithmetic number, because the mean of its divisors is an integer number (10614240).

Almost surely, 2^1878492000 is an apocalyptic number.

1878492000 is a gapful number since it is divisible by the number (10) 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 1878492000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4075868160).

1878492000 is an abundant number, since it is smaller than the sum of its proper divisors (6273244320).

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

1878492000 is a wasteful number, since it uses less digits than its factorization.

1878492000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 1878492000 is about 43341.5735754945. The cubic root of 1878492000 is about 1233.8710746542.

The spelling of 1878492000 in words is "one billion, eight hundred seventy-eight million, four hundred ninety-two thousand".