87770347 has 16 divisors (see below), whose sum is σ = 102574080. Its totient is φ = 73547712.

The previous prime is 87770321. The next prime is 87770351. The reversal of 87770347 is 74307778.

It is not a de Polignac number, because 87770347 - 2⁷ = 87770219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87470347) 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, 91623 + ... + 92575.

It is an arithmetic number, because the mean of its divisors is an integer number (6410880).

Almost surely, 2^87770347 is an apocalyptic number.

87770347 is a deficient number, since it is larger than the sum of its proper divisors (14803733).

87770347 is a wasteful number, since it uses less digits than its factorization.

87770347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242.

The product of its (nonzero) digits is 230496, while the sum is 43.

The square root of 87770347 is about 9368.5829771636. The cubic root of 87770347 is about 444.4087539928.

The spelling of 87770347 in words is "eighty-seven million, seven hundred seventy thousand, three hundred forty-seven".