88069966 has 4 divisors (see below), whose sum is σ = 132104952. Its totient is φ = 44034982.

The previous prime is 88069957. The next prime is 88069981. The reversal of 88069966 is 66996088.

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

It is a super-2 number, since 2×88069966² = 15512637822482312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22017490 + ... + 22017493.

It is an arithmetic number, because the mean of its divisors is an integer number (33026238).

Almost surely, 2^88069966 is an apocalyptic number.

88069966 is a deficient number, since it is larger than the sum of its proper divisors (44034986).

88069966 is a wasteful number, since it uses less digits than its factorization.

88069966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44034985.

The product of its (nonzero) digits is 1119744, while the sum is 52.

The square root of 88069966 is about 9384.5599790294. The cubic root of 88069966 is about 444.9138679403.

The spelling of 88069966 in words is "eighty-eight million, sixty-nine thousand, nine hundred sixty-six".