70070878887 has 16 divisors (see below), whose sum is σ = 96657876480. Its totient is φ = 45099180000.

The previous prime is 70070878879. The next prime is 70070878903. The reversal of 70070878887 is 78887807007.

It is not a de Polignac number, because 70070878887 - 2³ = 70070878879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70070878887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70070878847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1238262 + ... + 1293612.

It is an arithmetic number, because the mean of its divisors is an integer number (6041117280).

Almost surely, 2^70070878887 is an apocalyptic number.

70070878887 is a deficient number, since it is larger than the sum of its proper divisors (26586997593).

70070878887 is a wasteful number, since it uses less digits than its factorization.

70070878887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69934.

The product of its (nonzero) digits is 9834496, while the sum is 60.

The spelling of 70070878887 in words is "seventy billion, seventy million, eight hundred seventy-eight thousand, eight hundred eighty-seven".