86371772 has 6 divisors (see below), whose sum is σ = 151150608. Its totient is φ = 43185884.

The previous prime is 86371757. The next prime is 86371819. The reversal of 86371772 is 27717368.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10796468 + ... + 10796475.

It is an arithmetic number, because the mean of its divisors is an integer number (25191768).

Almost surely, 2^86371772 is an apocalyptic number.

It is an amenable number.

86371772 is a deficient number, since it is larger than the sum of its proper divisors (64778836).

86371772 is a wasteful number, since it uses less digits than its factorization.

86371772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21592947 (or 21592945 counting only the distinct ones).

The product of its digits is 98784, while the sum is 41.

The square root of 86371772 is about 9293.6414822178. The cubic root of 86371772 is about 442.0356297589.

The spelling of 86371772 in words is "eighty-six million, three hundred seventy-one thousand, seven hundred seventy-two".