5155237678 has 4 divisors (see below), whose sum is σ = 7732856520. Its totient is φ = 2577618838.

The previous prime is 5155237669. The next prime is 5155237741. The reversal of 5155237678 is 8767325515.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1288809418 + ... + 1288809421.

It is an arithmetic number, because the mean of its divisors is an integer number (1933214130).

Almost surely, 2^5155237678 is an apocalyptic number.

5155237678 is a deficient number, since it is larger than the sum of its proper divisors (2577618842).

5155237678 is a wasteful number, since it uses less digits than its factorization.

5155237678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577618841.

The product of its digits is 1764000, while the sum is 49.

The square root of 5155237678 is about 71799.9838300817. The cubic root of 5155237678 is about 1727.4927403298.

The spelling of 5155237678 in words is "five billion, one hundred fifty-five million, two hundred thirty-seven thousand, six hundred seventy-eight".