972432151832878 has 32 divisors (see below), whose sum is σ = 1596272415154560. Its totient is φ = 440622011288160.

The previous prime is 972432151832861. The next prime is 972432151832909. The reversal of 972432151832878 is 878238151234279.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33776908 + ... + 55549471.

It is an arithmetic number, because the mean of its divisors is an integer number (49883512973580).

Almost surely, 2^{972432151832878} is an apocalyptic number.

972432151832878 is a deficient number, since it is larger than the sum of its proper divisors (623840263321682).

972432151832878 is a wasteful number, since it uses less digits than its factorization.

972432151832878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89327952.

The product of its digits is 325140480, while the sum is 70.

The spelling of 972432151832878 in words is "nine hundred seventy-two trillion, four hundred thirty-two billion, one hundred fifty-one million, eight hundred thirty-two thousand, eight hundred seventy-eight".