870263263947 has 64 divisors (see below), whose sum is σ = 1487428927488. Its totient is φ = 439429536000.

The previous prime is 870263263937. The next prime is 870263263997. The reversal of 870263263947 is 749362362078.

It is not a de Polignac number, because 870263263947 - 2⁷ = 870263263819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (870263263907) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2397108 + ... + 2736174.

It is an arithmetic number, because the mean of its divisors is an integer number (23241076992).

Almost surely, 2^870263263947 is an apocalyptic number.

870263263947 is a deficient number, since it is larger than the sum of its proper divisors (617165663541).

870263263947 is a wasteful number, since it uses less digits than its factorization.

870263263947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339400.

The product of its (nonzero) digits is 18289152, while the sum is 57.

The spelling of 870263263947 in words is "eight hundred seventy billion, two hundred sixty-three million, two hundred sixty-three thousand, nine hundred forty-seven".