97794434642 has 32 divisors (see below), whose sum is σ = 151822425600. Its totient is φ = 47195481600.

The previous prime is 97794434627. The next prime is 97794434659. The reversal of 97794434642 is 24643449779.

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, 63875417 + ... + 63876947.

It is an arithmetic number, because the mean of its divisors is an integer number (4744450800).

Almost surely, 2^97794434642 is an apocalyptic number.

97794434642 is a deficient number, since it is larger than the sum of its proper divisors (54027990958).

97794434642 is a wasteful number, since it uses less digits than its factorization.

97794434642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3602.

The product of its digits is 36578304, while the sum is 59.

The spelling of 97794434642 in words is "ninety-seven billion, seven hundred ninety-four million, four hundred thirty-four thousand, six hundred forty-two".