538399077 has 8 divisors (see below), whose sum is σ = 721473600. Its totient is φ = 357128640.

The previous prime is 538399051. The next prime is 538399079. The reversal of 538399077 is 770993835.

It is a happy number.

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

It is not a de Polignac number, because 538399077 - 2⁸ = 538398821 is a prime.

It is a super-2 number, since 2×538399077² = 579747132228903858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538399079) 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, 450324 + ... + 451517.

It is an arithmetic number, because the mean of its divisors is an integer number (90184200).

Almost surely, 2^538399077 is an apocalyptic number.

It is an amenable number.

538399077 is a deficient number, since it is larger than the sum of its proper divisors (183074523).

538399077 is a wasteful number, since it uses less digits than its factorization.

538399077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902043.

The product of its (nonzero) digits is 1428840, while the sum is 51.

The square root of 538399077 is about 23203.4281303432. The cubic root of 538399077 is about 813.5197525560.

The spelling of 538399077 in words is "five hundred thirty-eight million, three hundred ninety-nine thousand, seventy-seven".