97806914490 has 32 divisors (see below), whose sum is σ = 235102844736. Its totient is φ = 26041149440.

The previous prime is 97806914483. The next prime is 97806914497. The reversal of 97806914490 is 9441960879.

It is an interprime number because it is at equal distance from previous prime (97806914483) and next prime (97806914497).

It is a self number, because there is not a number n which added to its sum of digits gives 97806914490.

It is not an unprimeable number, because it can be changed into a prime (97806914497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2523852 + ... + 2562311.

It is an arithmetic number, because the mean of its divisors is an integer number (7346963898).

Almost surely, 2^97806914490 is an apocalyptic number.

97806914490 is an abundant number, since it is smaller than the sum of its proper divisors (137295930246).

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

97806914490 is a wasteful number, since it uses less digits than its factorization.

97806914490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5086814.

The product of its (nonzero) digits is 3919104, while the sum is 57.

The spelling of 97806914490 in words is "ninety-seven billion, eight hundred six million, nine hundred fourteen thousand, four hundred ninety".