1778234152 has 16 divisors (see below), whose sum is σ = 3441744000. Its totient is φ = 860435760.

The previous prime is 1778234131. The next prime is 1778234173. The reversal of 1778234152 is 2514328771.

It is an interprime number because it is at equal distance from previous prime (1778234131) and next prime (1778234173).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3584902 + ... + 3585397.

It is an arithmetic number, because the mean of its divisors is an integer number (215109000).

Almost surely, 2^1778234152 is an apocalyptic number.

It is an amenable number.

1778234152 is a deficient number, since it is larger than the sum of its proper divisors (1663509848).

1778234152 is a wasteful number, since it uses less digits than its factorization.

1778234152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7170336 (or 7170332 counting only the distinct ones).

The product of its digits is 94080, while the sum is 40.

The square root of 1778234152 is about 42169.1137208265. The cubic root of 1778234152 is about 1211.5173805604.

The spelling of 1778234152 in words is "one billion, seven hundred seventy-eight million, two hundred thirty-four thousand, one hundred fifty-two".