1878748051 has 8 divisors (see below), whose sum is σ = 1897219584. Its totient is φ = 1860293640.

The previous prime is 1878748049. The next prime is 1878748073. The reversal of 1878748051 is 1508478781.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1878748051 - 2¹ = 1878748049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1878747986 and 1878748004.

It is not an unprimeable number, because it can be changed into a prime (1878740051) 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, 390406 + ... + 395188.

It is an arithmetic number, because the mean of its divisors is an integer number (237152448).

Almost surely, 2^1878748051 is an apocalyptic number.

1878748051 is a deficient number, since it is larger than the sum of its proper divisors (18471533).

1878748051 is a wasteful number, since it uses less digits than its factorization.

1878748051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8561.

The product of its (nonzero) digits is 501760, while the sum is 49.

The square root of 1878748051 is about 43344.5273477518. The cubic root of 1878748051 is about 1233.9271337287.

The spelling of 1878748051 in words is "one billion, eight hundred seventy-eight million, seven hundred forty-eight thousand, fifty-one".