40764887 has 4 divisors (see below), whose sum is σ = 40944696. Its totient is φ = 40585080.

The previous prime is 40764883. The next prime is 40764931. The reversal of 40764887 is 78846704.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40764887 - 2² = 40764883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40764883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89564 + ... + 90017.

It is an arithmetic number, because the mean of its divisors is an integer number (10236174).

Almost surely, 2^40764887 is an apocalyptic number.

40764887 is a deficient number, since it is larger than the sum of its proper divisors (179809).

40764887 is a wasteful number, since it uses less digits than its factorization.

40764887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179808.

The product of its (nonzero) digits is 301056, while the sum is 44.

The square root of 40764887 is about 6384.7386007573. The cubic root of 40764887 is about 344.1613375840.

The spelling of 40764887 in words is "forty million, seven hundred sixty-four thousand, eight hundred eighty-seven".