87769266 has 32 divisors (see below), whose sum is σ = 200164608. Its totient is φ = 25416960.

The previous prime is 87769261. The next prime is 87769267. The reversal of 87769266 is 66296778.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (87769261) 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, 31770 + ... + 34421.

It is an arithmetic number, because the mean of its divisors is an integer number (6255144).

Almost surely, 2^87769266 is an apocalyptic number.

87769266 is an abundant number, since it is smaller than the sum of its proper divisors (112395342).

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

87769266 is a wasteful number, since it uses less digits than its factorization.

87769266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66226.

The product of its digits is 1524096, while the sum is 51.

The square root of 87769266 is about 9368.5252841629. The cubic root of 87769266 is about 444.4069295048.

The spelling of 87769266 in words is "eighty-seven million, seven hundred sixty-nine thousand, two hundred sixty-six".