97942718490 has 32 divisors (see below), whose sum is σ = 235572454656. Its totient is φ = 26061399360.

The previous prime is 97942718483. The next prime is 97942718551. The reversal of 97942718490 is 9481724979.

It is a super-2 number, since 2×97942718490² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3527122 + ... + 3554781.

It is an arithmetic number, because the mean of its divisors is an integer number (7361639208).

Almost surely, 2^97942718490 is an apocalyptic number.

97942718490 is an abundant number, since it is smaller than the sum of its proper divisors (137629736166).

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

97942718490 is a wasteful number, since it uses less digits than its factorization.

97942718490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7082374.

The product of its (nonzero) digits is 9144576, while the sum is 60.

The spelling of 97942718490 in words is "ninety-seven billion, nine hundred forty-two million, seven hundred eighteen thousand, four hundred ninety".