86742629 has 8 divisors (see below), whose sum is σ = 87357312. Its totient is φ = 86130720.

The previous prime is 86742611. The next prime is 86742641. The reversal of 86742629 is 92624768.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86742629 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 86742629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86744629) 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, 134582 + ... + 135224.

It is an arithmetic number, because the mean of its divisors is an integer number (10919664).

Almost surely, 2^86742629 is an apocalyptic number.

It is an amenable number.

86742629 is a deficient number, since it is larger than the sum of its proper divisors (614683).

86742629 is a wasteful number, since it uses less digits than its factorization.

86742629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387.

The product of its digits is 290304, while the sum is 44.

The square root of 86742629 is about 9313.5723006803. The cubic root of 86742629 is about 442.6673868530.

The spelling of 86742629 in words is "eighty-six million, seven hundred forty-two thousand, six hundred twenty-nine".