972506446078 has 16 divisors (see below), whose sum is σ = 1544652420624. Its totient is φ = 457625393280.

The previous prime is 972506446069. The next prime is 972506446139. The reversal of 972506446078 is 870644605279.

It is a happy number.

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, 124728 + ... + 1400203.

It is an arithmetic number, because the mean of its divisors is an integer number (96540776289).

Almost surely, 2^972506446078 is an apocalyptic number.

972506446078 is a deficient number, since it is larger than the sum of its proper divisors (572145974546).

972506446078 is a wasteful number, since it uses less digits than its factorization.

972506446078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543707.

The product of its (nonzero) digits is 20321280, while the sum is 58.

The spelling of 972506446078 in words is "nine hundred seventy-two billion, five hundred six million, four hundred forty-six thousand, seventy-eight".