42876247653557 has 8 divisors (see below), whose sum is σ = 43358320114200. Its totient is φ = 42394182234624.

The previous prime is 42876247653553. The next prime is 42876247653563. The reversal of 42876247653557 is 75535674267824.

It can be written as a sum of positive squares in 4 ways, for example, as 3587997428401 + 39288250225156 = 1894201^2 + 6268034^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 42876247653557 - 2² = 42876247653553 is a prime.

It is a super-2 number, since 2×42876247653557² (a number of 28 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 (42876247653553) 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, 11003123 + ... + 14381279.

It is an arithmetic number, because the mean of its divisors is an integer number (5419790014275).

Almost surely, 2^{42876247653557} is an apocalyptic number.

It is an amenable number.

42876247653557 is a deficient number, since it is larger than the sum of its proper divisors (482072460643).

42876247653557 is a wasteful number, since it uses less digits than its factorization.

42876247653557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3520855.

The product of its digits is 2370816000, while the sum is 71.

The spelling of 42876247653557 in words is "forty-two trillion, eight hundred seventy-six billion, two hundred forty-seven million, six hundred fifty-three thousand, five hundred fifty-seven".