1492279878 has 16 divisors (see below), whose sum is σ = 3029106240. Its totient is φ = 490002216.

The previous prime is 1492279871. The next prime is 1492279879. The reversal of 1492279878 is 8789722941.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1492279871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1855668 + ... + 1856471.

It is an arithmetic number, because the mean of its divisors is an integer number (189319140).

Almost surely, 2^1492279878 is an apocalyptic number.

1492279878 is an abundant number, since it is smaller than the sum of its proper divisors (1536826362).

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

1492279878 is a wasteful number, since it uses less digits than its factorization.

1492279878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712211.

The product of its digits is 4064256, while the sum is 57.

The square root of 1492279878 is about 38630.0385451529. The cubic root of 1492279878 is about 1142.7470118236.

The spelling of 1492279878 in words is "one billion, four hundred ninety-two million, two hundred seventy-nine thousand, eight hundred seventy-eight".