971154870 has 32 divisors (see below), whose sum is σ = 2663739648. Its totient is φ = 221978208.

The previous prime is 971154857. The next prime is 971154889. The reversal of 971154870 is 78451179.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2312064 + ... + 2312483.

It is an arithmetic number, because the mean of its divisors is an integer number (83241864).

Almost surely, 2^971154870 is an apocalyptic number.

971154870 is an abundant number, since it is smaller than the sum of its proper divisors (1692584778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

971154870 is a wasteful number, since it uses less digits than its factorization.

971154870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4624564.

The product of its (nonzero) digits is 70560, while the sum is 42.

The square root of 971154870 is about 31163.3578100949. The cubic root of 971154870 is about 990.2909969996.

The spelling of 971154870 in words is "nine hundred seventy-one million, one hundred fifty-four thousand, eight hundred seventy".