252615404077 has 8 divisors (see below), whose sum is σ = 272094928160. Its totient is φ = 233754277680.

The previous prime is 252615404017. The next prime is 252615404081. The reversal of 252615404077 is 770404516252.

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-252615404077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252615404017) 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, 154598574 + ... + 154600207.

It is an arithmetic number, because the mean of its divisors is an integer number (34011866020).

Almost surely, 2^252615404077 is an apocalyptic number.

It is an amenable number.

252615404077 is a deficient number, since it is larger than the sum of its proper divisors (19479524083).

252615404077 is a wasteful number, since it uses less digits than its factorization.

252615404077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309198843.

The product of its (nonzero) digits is 470400, while the sum is 43.

The spelling of 252615404077 in words is "two hundred fifty-two billion, six hundred fifteen million, four hundred four thousand, seventy-seven".