18952077 has 8 divisors (see below), whose sum is σ = 25294816. Its totient is φ = 12622032.

The previous prime is 18952049. The next prime is 18952079. The reversal of 18952077 is 77025981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18952077 - 2¹⁵ = 18919309 is a prime.

It is a super-2 number, since 2×18952077² = 718362445227858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18952079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1158 + ... + 6264.

It is an arithmetic number, because the mean of its divisors is an integer number (3161852).

Almost surely, 2^18952077 is an apocalyptic number.

It is an amenable number.

18952077 is a deficient number, since it is larger than the sum of its proper divisors (6342739).

18952077 is a wasteful number, since it uses less digits than its factorization.

18952077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6347.

The product of its (nonzero) digits is 35280, while the sum is 39.

The square root of 18952077 is about 4353.3983277435. The cubic root of 18952077 is about 266.6156289477.

The spelling of 18952077 in words is "eighteen million, nine hundred fifty-two thousand, seventy-seven".