577402728877 has 8 divisors (see below), whose sum is σ = 636279215264. Its totient is φ = 520592084208.

The previous prime is 577402728857. The next prime is 577402728893. The reversal of 577402728877 is 778827204775.

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

It is a de Polignac number, because none of the positive numbers 2^k-577402728877 is a prime.

It is a super-2 number, since 2×577402728877² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (577402728827) 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, 516459843 + ... + 516460960.

It is an arithmetic number, because the mean of its divisors is an integer number (79534901908).

Almost surely, 2^577402728877 is an apocalyptic number.

It is an amenable number.

577402728877 is a deficient number, since it is larger than the sum of its proper divisors (58876486387).

577402728877 is a wasteful number, since it uses less digits than its factorization.

577402728877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032920859.

The product of its (nonzero) digits is 86051840, while the sum is 64.

The spelling of 577402728877 in words is "five hundred seventy-seven billion, four hundred two million, seven hundred twenty-eight thousand, eight hundred seventy-seven".