870027077 has 2 divisors, whose sum is σ = 870027078. Its totient is φ = 870027076.

The previous prime is 870027031. The next prime is 870027091. The reversal of 870027077 is 770720078.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 737339716 + 132687361 = 27154^2 + 11519^2 .

It is a cyclic number.

It is not a de Polignac number, because 870027077 - 2¹⁶ = 869961541 is a prime.

It is a super-2 number, since 2×870027077² = 1513894229426327858, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 870027077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (870027097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435013538 + 435013539.

It is an arithmetic number, because the mean of its divisors is an integer number (435013539).

Almost surely, 2^870027077 is an apocalyptic number.

It is an amenable number.

870027077 is a deficient number, since it is larger than the sum of its proper divisors (1).

870027077 is an equidigital number, since it uses as much as digits as its factorization.

870027077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38416, while the sum is 38.

The square root of 870027077 is about 29496.2214020711. The cubic root of 870027077 is about 954.6501745860.

The spelling of 870027077 in words is "eight hundred seventy million, twenty-seven thousand, seventy-seven".