70878527 has 2 divisors, whose sum is σ = 70878528. Its totient is φ = 70878526.

The previous prime is 70878503. The next prime is 70878539. The reversal of 70878527 is 72587807.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70878527 - 2⁸ = 70878271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70878127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35439263 + 35439264.

It is an arithmetic number, because the mean of its divisors is an integer number (35439264).

Almost surely, 2^70878527 is an apocalyptic number.

70878527 is a deficient number, since it is larger than the sum of its proper divisors (1).

70878527 is an equidigital number, since it uses as much as digits as its factorization.

70878527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 219520, while the sum is 44.

The square root of 70878527 is about 8418.9385910577. The cubic root of 70878527 is about 413.8454910527.

The spelling of 70878527 in words is "seventy million, eight hundred seventy-eight thousand, five hundred twenty-seven".