97962866 has 4 divisors (see below), whose sum is σ = 146944302. Its totient is φ = 48981432.

The previous prime is 97962863. The next prime is 97962877. The reversal of 97962866 is 66826979.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 71656225 + 26306641 = 8465^2 + 5129^2 .

It is a super-2 number, since 2×97962866² = 19193446229867912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (97962863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24490715 + ... + 24490718.

Almost surely, 2^97962866 is an apocalyptic number.

97962866 is the 5291-st centered heptagonal number.

97962866 is a deficient number, since it is larger than the sum of its proper divisors (48981436).

97962866 is a wasteful number, since it uses less digits than its factorization.

97962866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48981435.

The product of its digits is 1959552, while the sum is 53.

The square root of 97962866 is about 9897.6192086784. The cubic root of 97962866 is about 460.9853892161.

The spelling of 97962866 in words is "ninety-seven million, nine hundred sixty-two thousand, eight hundred sixty-six".