9870072862534 has 16 divisors (see below), whose sum is σ = 14810115848400. Its totient is φ = 4933367755264.

The previous prime is 9870072862493. The next prime is 9870072862607. The reversal of 9870072862534 is 4352682700789.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158603277 + ... + 158665495.

It is an arithmetic number, because the mean of its divisors is an integer number (925632240525).

Almost surely, 2^{9870072862534} is an apocalyptic number.

9870072862534 is a deficient number, since it is larger than the sum of its proper divisors (4940042985866).

9870072862534 is a wasteful number, since it uses less digits than its factorization.

9870072862534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87767.

The product of its (nonzero) digits is 40642560, while the sum is 61.

The spelling of 9870072862534 in words is "nine trillion, eight hundred seventy billion, seventy-two million, eight hundred sixty-two thousand, five hundred thirty-four".