5157781962 has 16 divisors (see below), whose sum is σ = 10318730400. Its totient is φ = 1718732912.

The previous prime is 5157781961. The next prime is 5157781969. The reversal of 5157781962 is 2691877515.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (5157781961) 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, 110493 + ... + 150080.

It is an arithmetic number, because the mean of its divisors is an integer number (644920650).

Almost surely, 2^5157781962 is an apocalyptic number.

5157781962 is an abundant number, since it is smaller than the sum of its proper divisors (5160948438).

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

5157781962 is a wasteful number, since it uses less digits than its factorization.

5157781962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263877.

The product of its digits is 1058400, while the sum is 51.

The square root of 5157781962 is about 71817.6995036739. The cubic root of 5157781962 is about 1727.7768856041.

The spelling of 5157781962 in words is "five billion, one hundred fifty-seven million, seven hundred eighty-one thousand, nine hundred sixty-two".