70736667887 has 8 divisors (see below), whose sum is σ = 71737605792. Its totient is φ = 69735859200.

The previous prime is 70736667863. The next prime is 70736667919. The reversal of 70736667887 is 78876663707.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70736667887 - 2¹⁶ = 70736602351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70736667487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1795343 + ... + 1834319.

It is an arithmetic number, because the mean of its divisors is an integer number (8967200724).

Almost surely, 2^70736667887 is an apocalyptic number.

70736667887 is a deficient number, since it is larger than the sum of its proper divisors (1000937905).

70736667887 is a wasteful number, since it uses less digits than its factorization.

70736667887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64609.

The product of its (nonzero) digits is 99574272, while the sum is 65.

The spelling of 70736667887 in words is "seventy billion, seven hundred thirty-six million, six hundred sixty-seven thousand, eight hundred eighty-seven".