87079279253 has 2 divisors, whose sum is σ = 87079279254. Its totient is φ = 87079279252.

The previous prime is 87079279201. The next prime is 87079279307. The reversal of 87079279253 is 35297297078.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73822520209 + 13256759044 = 271703^2 + 115138^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87079279253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87079279192 and 87079279201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87079279153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43539639626 + 43539639627.

It is an arithmetic number, because the mean of its divisors is an integer number (43539639627).

Almost surely, 2^87079279253 is an apocalyptic number.

It is an amenable number.

87079279253 is a deficient number, since it is larger than the sum of its proper divisors (1).

87079279253 is an equidigital number, since it uses as much as digits as its factorization.

87079279253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13335840, while the sum is 59.

The spelling of 87079279253 in words is "eighty-seven billion, seventy-nine million, two hundred seventy-nine thousand, two hundred fifty-three".