86774691 has 8 divisors (see below), whose sum is σ = 121789120. Its totient is φ = 54805032.

The previous prime is 86774689. The next prime is 86774693. The reversal of 86774691 is 19647768.

It is an interprime number because it is at equal distance from previous prime (86774689) and next prime (86774693).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86774691 - 2¹ = 86774689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86774691.

It is not an unprimeable number, because it can be changed into a prime (86774693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 761125 + ... + 761238.

It is an arithmetic number, because the mean of its divisors is an integer number (15223640).

Almost surely, 2^86774691 is an apocalyptic number.

86774691 is a deficient number, since it is larger than the sum of its proper divisors (35014429).

86774691 is a wasteful number, since it uses less digits than its factorization.

86774691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1522385.

The product of its digits is 508032, while the sum is 48.

The square root of 86774691 is about 9315.2933931251. The cubic root of 86774691 is about 442.7219200301.

The spelling of 86774691 in words is "eighty-six million, seven hundred seventy-four thousand, six hundred ninety-one".