5772121782 has 16 divisors (see below), whose sum is σ = 13193421312. Its totient is φ = 1649177640.

The previous prime is 5772121781. The next prime is 5772121829. The reversal of 5772121782 is 2871212775.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 137431471 = 5772121782 / (5 + 7 + 7 + 2 + 1 + 2 + 1 + 7 + 8 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5772121781) 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, 68715694 + ... + 68715777.

It is an arithmetic number, because the mean of its divisors is an integer number (824588832).

Almost surely, 2^5772121782 is an apocalyptic number.

5772121782 is an abundant number, since it is smaller than the sum of its proper divisors (7421299530).

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

5772121782 is a wasteful number, since it uses less digits than its factorization.

5772121782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137431483.

The product of its digits is 109760, while the sum is 42.

The square root of 5772121782 is about 75974.4811235983. The cubic root of 5772121782 is about 1793.8184854054.

The spelling of 5772121782 in words is "five billion, seven hundred seventy-two million, one hundred twenty-one thousand, seven hundred eighty-two".