70885567 has 2 divisors, whose sum is σ = 70885568. Its totient is φ = 70885566.

The previous prime is 70885519. The next prime is 70885579. The reversal of 70885567 is 76558807.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70885567 - 2¹⁵ = 70852799 is a prime.

It is a super-2 number, since 2×70885567² = 10049527217822978, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70885267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35442783 + 35442784.

It is an arithmetic number, because the mean of its divisors is an integer number (35442784).

Almost surely, 2^70885567 is an apocalyptic number.

70885567 is a deficient number, since it is larger than the sum of its proper divisors (1).

70885567 is an equidigital number, since it uses as much as digits as its factorization.

70885567 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 470400, while the sum is 46.

The square root of 70885567 is about 8419.3566856382. The cubic root of 70885567 is about 413.8591923147.

The spelling of 70885567 in words is "seventy million, eight hundred eighty-five thousand, five hundred sixty-seven".