86978350 has 24 divisors (see below), whose sum is σ = 163360080. Its totient is φ = 34451520.

The previous prime is 86978347. The next prime is 86978357. The reversal of 86978350 is 5387968.

It is a self number, because there is not a number n which added to its sum of digits gives 86978350.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86978357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3295 + ... + 13594.

It is an arithmetic number, because the mean of its divisors is an integer number (6806670).

Almost surely, 2^86978350 is an apocalyptic number.

86978350 is a deficient number, since it is larger than the sum of its proper divisors (76381730).

86978350 is a wasteful number, since it uses less digits than its factorization.

86978350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17004 (or 16999 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 86978350 is about 9326.2184190592. The cubic root of 86978350 is about 443.0680034951.

The spelling of 86978350 in words is "eighty-six million, nine hundred seventy-eight thousand, three hundred fifty".