97886402 has 4 divisors (see below), whose sum is σ = 146829606. Its totient is φ = 48943200.

The previous prime is 97886401. The next prime is 97886431. The reversal of 97886402 is 20468879.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20468879 = 83 ⋅246613.

It can be written as a sum of positive squares in only one way, i.e., 71250481 + 26635921 = 8441^2 + 5161^2 .

It is not an unprimeable number, because it can be changed into a prime (97886401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24471599 + ... + 24471602.

Almost surely, 2^97886402 is an apocalyptic number.

97886402 is a deficient number, since it is larger than the sum of its proper divisors (48943204).

97886402 is a wasteful number, since it uses less digits than its factorization.

97886402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48943203.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 97886402 is about 9893.7557075157. The cubic root of 97886402 is about 460.8654187169.

The spelling of 97886402 in words is "ninety-seven million, eight hundred eighty-six thousand, four hundred two".