86120451 has 6 divisors (see below), whose sum is σ = 124396220. Its totient is φ = 57413628.

The previous prime is 86120431. The next prime is 86120467. The reversal of 86120451 is 15402168.

86120451 is a `hidden beast` number, since 8 + 612 + 0 + 45 + 1 = 666.

It is not a de Polignac number, because 86120451 - 2⁹ = 86119939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86120431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4784461 + ... + 4784478.

Almost surely, 2^86120451 is an apocalyptic number.

86120451 is a deficient number, since it is larger than the sum of its proper divisors (38275769).

86120451 is a wasteful number, since it uses less digits than its factorization.

86120451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9568945 (or 9568942 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 86120451 is about 9280.1105058076. The cubic root of 86120451 is about 441.6064742622.

It can be divided in two parts, 861 and 20451, that added together give a palindrome (21312).

The spelling of 86120451 in words is "eighty-six million, one hundred twenty thousand, four hundred fifty-one".