67900887 has 6 divisors (see below), whose sum is σ = 98079072. Its totient is φ = 45267252.

The previous prime is 67900871. The next prime is 67900891. The reversal of 67900887 is 78800976.

It is not a de Polignac number, because 67900887 - 2⁴ = 67900871 is a prime.

It is a super-2 number, since 2×67900887² = 9221060910773538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67900867) 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, 3772263 + ... + 3772280.

It is an arithmetic number, because the mean of its divisors is an integer number (16346512).

Almost surely, 2^67900887 is an apocalyptic number.

67900887 is a deficient number, since it is larger than the sum of its proper divisors (30178185).

67900887 is a wasteful number, since it uses less digits than its factorization.

67900887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7544549 (or 7544546 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 67900887 is about 8240.1994514696. The cubic root of 67900887 is about 407.9671073541.

The spelling of 67900887 in words is "sixty-seven million, nine hundred thousand, eight hundred eighty-seven".