97851076835478 has 32 divisors (see below), whose sum is σ = 195748195163136. Its totient is φ = 32609352519648.

The previous prime is 97851076835429. The next prime is 97851076835489. The reversal of 97851076835478 is 87453867015879.

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, 1342099101 + ... + 1342172007.

It is an arithmetic number, because the mean of its divisors is an integer number (6117131098848).

Almost surely, 2^{97851076835478} is an apocalyptic number.

97851076835478 is an abundant number, since it is smaller than the sum of its proper divisors (97897118327658).

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

97851076835478 is a wasteful number, since it uses less digits than its factorization.

97851076835478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122468.

The product of its (nonzero) digits is 2844979200, while the sum is 78.

The spelling of 97851076835478 in words is "ninety-seven trillion, eight hundred fifty-one billion, seventy-six million, eight hundred thirty-five thousand, four hundred seventy-eight".